Finding the Fourth Proportional to 22,728.90, 34,098.71 and 7,146.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,728.90 : 34,098.71 = 7,146.53 : x
2. Step 2: Convert to fraction form
   22,728.90/34,098.71 = 7,146.53/x
3. Step 3: Cross multiply
   22,728.90x = 34,098.71 × 7,146.53
4. Step 4: Simplify right side
   22,728.90x = 243,687,247.75
5. Step 5: Solve for x
   x = 243,687,247.75/22,728.90
6. Step 6: Final answer
   x = 10,721.47