Finding the Fourth Proportional to 31,439,754.72, 43,386,417.72 and 17,688,686.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,439,754.72 : 43,386,417.72 = 17,688,686.04 : x
2. Step 2: Convert to fraction form
   31,439,754.72/43,386,417.72 = 17,688,686.04/x
3. Step 3: Cross multiply
   31,439,754.72x = 43,386,417.72 × 17,688,686.04
4. Step 4: Simplify right side
   31,439,754.72x = 767,448,721,449,372.62
5. Step 5: Solve for x
   x = 767,448,721,449,372.62/31,439,754.72
6. Step 6: Final answer
   x = 24,410,137.05