Finding the Fourth Proportional to 17,109.47, 25,664.24 and 5,422.66

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.47 : 25,664.24 = 5,422.66 : x
2. Step 2: Convert to fraction form
   17,109.47/25,664.24 = 5,422.66/x
3. Step 3: Cross multiply
   17,109.47x = 25,664.24 × 5,422.66
4. Step 4: Simplify right side
   17,109.47x = 139,168,397.07
5. Step 5: Solve for x
   x = 139,168,397.07/17,109.47
6. Step 6: Final answer
   x = 8,134.00