Finding the Fourth Proportional to 158,061.12, 217,948.32 and 117,798.72

Step by Step Solution

1. Step 1: Write the proportion equation
   158,061.12 : 217,948.32 = 117,798.72 : x
2. Step 2: Convert to fraction form
   158,061.12/217,948.32 = 117,798.72/x
3. Step 3: Cross multiply
   158,061.12x = 217,948.32 × 117,798.72
4. Step 4: Simplify right side
   158,061.12x = 25,674,033,122.15
5. Step 5: Solve for x
   x = 25,674,033,122.15/158,061.12
6. Step 6: Final answer
   x = 162,431.05