Finding the Fourth Proportional to 17,167.95, 25,748.28 and 5,478.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,167.95 : 25,748.28 = 5,478.03 : x
2. Step 2: Convert to fraction form
   17,167.95/25,748.28 = 5,478.03/x
3. Step 3: Cross multiply
   17,167.95x = 25,748.28 × 5,478.03
4. Step 4: Simplify right side
   17,167.95x = 141,049,850.29
5. Step 5: Solve for x
   x = 141,049,850.29/17,167.95
6. Step 6: Final answer
   x = 8,215.88