Finding the Fourth Proportional to 162,658.10, 224,465.67 and 91,037.90

Step by Step Solution

1. Step 1: Write the proportion equation
   162,658.10 : 224,465.67 = 91,037.90 : x
2. Step 2: Convert to fraction form
   162,658.10/224,465.67 = 91,037.90/x
3. Step 3: Cross multiply
   162,658.10x = 224,465.67 × 91,037.90
4. Step 4: Simplify right side
   162,658.10x = 20,434,882,096.56
5. Step 5: Solve for x
   x = 20,434,882,096.56/162,658.10
6. Step 6: Final answer
   x = 125,630.90