Finding the Fourth Proportional to 17,104.86, 25,656.53 and 5,258.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,104.86 : 25,656.53 = 5,258.15 : x
2. Step 2: Convert to fraction form
   17,104.86/25,656.53 = 5,258.15/x
3. Step 3: Cross multiply
   17,104.86x = 25,656.53 × 5,258.15
4. Step 4: Simplify right side
   17,104.86x = 134,905,856.93
5. Step 5: Solve for x
   x = 134,905,856.93/17,104.86
6. Step 6: Final answer
   x = 7,886.99