Finding the Fourth Proportional to 198,632.32, 297,854.72 and 72,184.48

Step by Step Solution

1. Step 1: Write the proportion equation
   198,632.32 : 297,854.72 = 72,184.48 : x
2. Step 2: Convert to fraction form
   198,632.32/297,854.72 = 72,184.48/x
3. Step 3: Cross multiply
   198,632.32x = 297,854.72 × 72,184.48
4. Step 4: Simplify right side
   198,632.32x = 21,500,488,078.75
5. Step 5: Solve for x
   x = 21,500,488,078.75/198,632.32
6. Step 6: Final answer
   x = 108,242.65