Finding the Fourth Proportional to 624,231,499.35, 861,439,395.27 and 373,335,852.42

Step by Step Solution

1. Step 1: Write the proportion equation
   624,231,499.35 : 861,439,395.27 = 373,335,852.42 : x
2. Step 2: Convert to fraction form
   624,231,499.35/861,439,395.27 = 373,335,852.42/x
3. Step 3: Cross multiply
   624,231,499.35x = 861,439,395.27 × 373,335,852.42
4. Step 4: Simplify right side
   624,231,499.35x = 321,606,210,941,294,784
5. Step 5: Solve for x
   x = 321,606,210,941,294,784/624,231,499.35
6. Step 6: Final answer
   x = 515,203,432.18