Finding the Fourth Proportional to 22,602.54, 31,191.57 and 12,531.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,602.54 : 31,191.57 = 12,531.69 : x
2. Step 2: Convert to fraction form
   22,602.54/31,191.57 = 12,531.69/x
3. Step 3: Cross multiply
   22,602.54x = 31,191.57 × 12,531.69
4. Step 4: Simplify right side
   22,602.54x = 390,883,085.85
5. Step 5: Solve for x
   x = 390,883,085.85/22,602.54
6. Step 6: Final answer
   x = 17,293.77