Finding the Fourth Proportional to 17,100.60, 25,648.34 and 5,412.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.60 : 25,648.34 = 5,412.32 : x
2. Step 2: Convert to fraction form
   17,100.60/25,648.34 = 5,412.32/x
3. Step 3: Cross multiply
   17,100.60x = 25,648.34 × 5,412.32
4. Step 4: Simplify right side
   17,100.60x = 138,817,023.55
5. Step 5: Solve for x
   x = 138,817,023.55/17,100.60
6. Step 6: Final answer
   x = 8,117.67