Finding the Fourth Proportional to 152,841.87, 229,308.37 and 72,939.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,841.87 : 229,308.37 = 72,939.83 : x
2. Step 2: Convert to fraction form
   152,841.87/229,308.37 = 72,939.83/x
3. Step 3: Cross multiply
   152,841.87x = 229,308.37 × 72,939.83
4. Step 4: Simplify right side
   152,841.87x = 16,725,712,196.49
5. Step 5: Solve for x
   x = 16,725,712,196.49/152,841.87
6. Step 6: Final answer
   x = 109,431.48