Finding the Fourth Proportional to 22,781.47, 34,156.01 and 8,729.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,781.47 : 34,156.01 = 8,729.59 : x
2. Step 2: Convert to fraction form
   22,781.47/34,156.01 = 8,729.59/x
3. Step 3: Cross multiply
   22,781.47x = 34,156.01 × 8,729.59
4. Step 4: Simplify right side
   22,781.47x = 298,167,919.69
5. Step 5: Solve for x
   x = 298,167,919.69/22,781.47
6. Step 6: Final answer
   x = 13,088.18