Finding the Fourth Proportional to 22,510.61, 31,061.97 and 13,434.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510.61 : 31,061.97 = 13,434.29 : x
2. Step 2: Convert to fraction form
   22,510.61/31,061.97 = 13,434.29/x
3. Step 3: Cross multiply
   22,510.61x = 31,061.97 × 13,434.29
4. Step 4: Simplify right side
   22,510.61x = 417,295,586.27
5. Step 5: Solve for x
   x = 417,295,586.27/22,510.61
6. Step 6: Final answer
   x = 18,537.73