Finding the Fourth Proportional to 140,446,610.01, 193,808,525.99 and 78,554,991.15

Step by Step Solution

1. Step 1: Write the proportion equation
   140,446,610.01 : 193,808,525.99 = 78,554,991.15 : x
2. Step 2: Convert to fraction form
   140,446,610.01/193,808,525.99 = 78,554,991.15/x
3. Step 3: Cross multiply
   140,446,610.01x = 193,808,525.99 × 78,554,991.15
4. Step 4: Simplify right side
   140,446,610.01x = 15,224,627,043,546,222
5. Step 5: Solve for x
   x = 15,224,627,043,546,222/140,446,610.01
6. Step 6: Final answer
   x = 108,401,527.40