Finding the Fourth Proportional to 22,510.17, 31,065.12 and 13,560.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510.17 : 31,065.12 = 13,560.48 : x
2. Step 2: Convert to fraction form
   22,510.17/31,065.12 = 13,560.48/x
3. Step 3: Cross multiply
   22,510.17x = 31,065.12 × 13,560.48
4. Step 4: Simplify right side
   22,510.17x = 421,257,938.46
5. Step 5: Solve for x
   x = 421,257,938.46/22,510.17
6. Step 6: Final answer
   x = 18,714.12