Finding the Fourth Proportional to 142,003,089,035.96, 195,970,422,861.28 and 78,638,315,723.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,003,089,035.96 : 195,970,422,861.28 = 78,638,315,723.96 : x
2. Step 2: Convert to fraction form
   142,003,089,035.96/195,970,422,861.28 = 78,638,315,723.96/x
3. Step 3: Cross multiply
   142,003,089,035.96x = 195,970,422,861.28 × 78,638,315,723.96
4. Step 4: Simplify right side
   142,003,089,035.96x = 15,410,783,985,523,287,392,256
5. Step 5: Solve for x
   x = 15,410,783,985,523,287,392,256/142,003,089,035.96
6. Step 6: Final answer
   x = 108,524,286,972.52