Finding the Fourth Proportional to 151,687.43, 209,328.50 and 83,704.39

Step by Step Solution

1. Step 1: Write the proportion equation
   151,687.43 : 209,328.50 = 83,704.39 : x
2. Step 2: Convert to fraction form
   151,687.43/209,328.50 = 83,704.39/x
3. Step 3: Cross multiply
   151,687.43x = 209,328.50 × 83,704.39
4. Step 4: Simplify right side
   151,687.43x = 17,521,712,936.95
5. Step 5: Solve for x
   x = 17,521,712,936.95/151,687.43
6. Step 6: Final answer
   x = 115,511.96