Finding the Fourth Proportional to 17,164.71, 25,750.71 and 5,478.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,164.71 : 25,750.71 = 5,478.03 : x
2. Step 2: Convert to fraction form
   17,164.71/25,750.71 = 5,478.03/x
3. Step 3: Cross multiply
   17,164.71x = 25,750.71 × 5,478.03
4. Step 4: Simplify right side
   17,164.71x = 141,063,161.90
5. Step 5: Solve for x
   x = 141,063,161.90/17,164.71
6. Step 6: Final answer
   x = 8,218.21