Finding the Fourth Proportional to 198,061.32, 273,359.55 and 117,533.25

Step by Step Solution

1. Step 1: Write the proportion equation
   198,061.32 : 273,359.55 = 117,533.25 : x
2. Step 2: Convert to fraction form
   198,061.32/273,359.55 = 117,533.25/x
3. Step 3: Cross multiply
   198,061.32x = 273,359.55 × 117,533.25
4. Step 4: Simplify right side
   198,061.32x = 32,128,836,330.04
5. Step 5: Solve for x
   x = 32,128,836,330.04/198,061.32
6. Step 6: Final answer
   x = 162,216.61