Finding the Fourth Proportional to 22,834.32, 31,499.82 and 15,280.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,834.32 : 31,499.82 = 15,280.95 : x
2. Step 2: Convert to fraction form
   22,834.32/31,499.82 = 15,280.95/x
3. Step 3: Cross multiply
   22,834.32x = 31,499.82 × 15,280.95
4. Step 4: Simplify right side
   22,834.32x = 481,347,174.43
5. Step 5: Solve for x
   x = 481,347,174.43/22,834.32
6. Step 6: Final answer
   x = 21,079.99