Finding the Fourth Proportional to 198,174.56, 273,462.72 and 117,588.16

Step by Step Solution

1. Step 1: Write the proportion equation
   198,174.56 : 273,462.72 = 117,588.16 : x
2. Step 2: Convert to fraction form
   198,174.56/273,462.72 = 117,588.16/x
3. Step 3: Cross multiply
   198,174.56x = 273,462.72 × 117,588.16
4. Step 4: Simplify right side
   198,174.56x = 32,155,978,073.40
5. Step 5: Solve for x
   x = 32,155,978,073.40/198,174.56
6. Step 6: Final answer
   x = 162,260.88