Finding the Fourth Proportional to 389,788,753.29, 584,756,870.73 and 156,637,615.11

Step by Step Solution

1. Step 1: Write the proportion equation
   389,788,753.29 : 584,756,870.73 = 156,637,615.11 : x
2. Step 2: Convert to fraction form
   389,788,753.29/584,756,870.73 = 156,637,615.11/x
3. Step 3: Cross multiply
   389,788,753.29x = 584,756,870.73 × 156,637,615.11
4. Step 4: Simplify right side
   389,788,753.29x = 91,594,921,650,333,776
5. Step 5: Solve for x
   x = 91,594,921,650,333,776/389,788,753.29
6. Step 6: Final answer
   x = 234,986,055.59