Finding the Fourth Proportional to 162,978.29, 224,909.32 and 91,358.32

Step by Step Solution

1. Step 1: Write the proportion equation
   162,978.29 : 224,909.32 = 91,358.32 : x
2. Step 2: Convert to fraction form
   162,978.29/224,909.32 = 91,358.32/x
3. Step 3: Cross multiply
   162,978.29x = 224,909.32 × 91,358.32
4. Step 4: Simplify right side
   162,978.29x = 20,547,337,170.75
5. Step 5: Solve for x
   x = 20,547,337,170.75/162,978.29
6. Step 6: Final answer
   x = 126,074.08