Finding the Fourth Proportional to 22,338.53, 33,514.71 and 12,470.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,338.53 : 33,514.71 = 12,470.91 : x
2. Step 2: Convert to fraction form
   22,338.53/33,514.71 = 12,470.91/x
3. Step 3: Cross multiply
   22,338.53x = 33,514.71 × 12,470.91
4. Step 4: Simplify right side
   22,338.53x = 417,959,018.31
5. Step 5: Solve for x
   x = 417,959,018.31/22,338.53
6. Step 6: Final answer
   x = 18,710.23