Finding the Fourth Proportional to 198,002.25, 273,131.33 and 117,350.55

Step by Step Solution

1. Step 1: Write the proportion equation
   198,002.25 : 273,131.33 = 117,350.55 : x
2. Step 2: Convert to fraction form
   198,002.25/273,131.33 = 117,350.55/x
3. Step 3: Cross multiply
   198,002.25x = 273,131.33 × 117,350.55
4. Step 4: Simplify right side
   198,002.25x = 32,052,111,210.98
5. Step 5: Solve for x
   x = 32,052,111,210.98/198,002.25
6. Step 6: Final answer
   x = 161,877.51