Finding the Fourth Proportional to 149,629,359.56, 224,245,621.50 and 76,843,200.20

Step by Step Solution

1. Step 1: Write the proportion equation
   149,629,359.56 : 224,245,621.50 = 76,843,200.20 : x
2. Step 2: Convert to fraction form
   149,629,359.56/224,245,621.50 = 76,843,200.20/x
3. Step 3: Cross multiply
   149,629,359.56x = 224,245,621.50 × 76,843,200.20
4. Step 4: Simplify right side
   149,629,359.56x = 17,231,751,186,897,924
5. Step 5: Solve for x
   x = 17,231,751,186,897,924/149,629,359.56
6. Step 6: Final answer
   x = 115,162,901.44