Finding the Fourth Proportional to 152,112.87, 209,933.37 and 91,714.41

Step by Step Solution

1. Step 1: Write the proportion equation
   152,112.87 : 209,933.37 = 91,714.41 : x
2. Step 2: Convert to fraction form
   152,112.87/209,933.37 = 91,714.41/x
3. Step 3: Cross multiply
   152,112.87x = 209,933.37 × 91,714.41
4. Step 4: Simplify right side
   152,112.87x = 19,253,915,168.86
5. Step 5: Solve for x
   x = 19,253,915,168.86/152,112.87
6. Step 6: Final answer
   x = 126,576.50