Finding the Fourth Proportional to 152,773.88, 229,167.02 and 72,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,773.88 : 229,167.02 = 72,770.72 : x
2. Step 2: Convert to fraction form
   152,773.88/229,167.02 = 72,770.72/x
3. Step 3: Cross multiply
   152,773.88x = 229,167.02 × 72,770.72
4. Step 4: Simplify right side
   152,773.88x = 16,676,648,081.75
5. Step 5: Solve for x
   x = 16,676,648,081.75/152,773.88
6. Step 6: Final answer
   x = 109,159.03