Finding the Fourth Proportional to 22,514.47, 31,068.98 and 12,953.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,514.47 : 31,068.98 = 12,953.95 : x
2. Step 2: Convert to fraction form
   22,514.47/31,068.98 = 12,953.95/x
3. Step 3: Cross multiply
   22,514.47x = 31,068.98 × 12,953.95
4. Step 4: Simplify right side
   22,514.47x = 402,465,948.70
5. Step 5: Solve for x
   x = 402,465,948.70/22,514.47
6. Step 6: Final answer
   x = 17,875.88