Finding the Fourth Proportional to 162,757.50, 224,624.52 and 91,123.68

Step by Step Solution

1. Step 1: Write the proportion equation
   162,757.50 : 224,624.52 = 91,123.68 : x
2. Step 2: Convert to fraction form
   162,757.50/224,624.52 = 91,123.68/x
3. Step 3: Cross multiply
   162,757.50x = 224,624.52 × 91,123.68
4. Step 4: Simplify right side
   162,757.50x = 20,468,612,880.63
5. Step 5: Solve for x
   x = 20,468,612,880.63/162,757.50
6. Step 6: Final answer
   x = 125,761.41