Finding the Fourth Proportional to 152,780.80, 229,116.28 and 52,914.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,780.80 : 229,116.28 = 52,914.12 : x
2. Step 2: Convert to fraction form
   152,780.80/229,116.28 = 52,914.12/x
3. Step 3: Cross multiply
   152,780.80x = 229,116.28 × 52,914.12
4. Step 4: Simplify right side
   152,780.80x = 12,123,486,333.87
5. Step 5: Solve for x
   x = 12,123,486,333.87/152,780.80
6. Step 6: Final answer
   x = 79,352.16