Finding the Fourth Proportional to 22,691.52, 34,042.62 and 22,315

Step by Step Solution

1. Step 1: Write the proportion equation
   22,691.52 : 34,042.62 = 22,315 : x
2. Step 2: Convert to fraction form
   22,691.52/34,042.62 = 22,315/x
3. Step 3: Cross multiply
   22,691.52x = 34,042.62 × 22,315
4. Step 4: Simplify right side
   22,691.52x = 759,661,065.30
5. Step 5: Solve for x
   x = 759,661,065.30/22,691.52
6. Step 6: Final answer
   x = 33,477.75