Finding the Fourth Proportional to 199,061.32, 274,648.98 and 114,147.40

Step by Step Solution

1. Step 1: Write the proportion equation
   199,061.32 : 274,648.98 = 114,147.40 : x
2. Step 2: Convert to fraction form
   199,061.32/274,648.98 = 114,147.40/x
3. Step 3: Cross multiply
   199,061.32x = 274,648.98 × 114,147.40
4. Step 4: Simplify right side
   199,061.32x = 31,350,466,979.65
5. Step 5: Solve for x
   x = 31,350,466,979.65/199,061.32
6. Step 6: Final answer
   x = 157,491.51