Finding the Fourth Proportional to 88,971.02, 122,781.54 and 48,688.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,971.02 : 122,781.54 = 48,688.30 : x
2. Step 2: Convert to fraction form
   88,971.02/122,781.54 = 48,688.30/x
3. Step 3: Cross multiply
   88,971.02x = 122,781.54 × 48,688.30
4. Step 4: Simplify right side
   88,971.02x = 5,978,024,453.98
5. Step 5: Solve for x
   x = 5,978,024,453.98/88,971.02
6. Step 6: Final answer
   x = 67,190.69