Finding the Fourth Proportional to 17,268.92, 25,897.88 and 7,405.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,268.92 : 25,897.88 = 7,405.55 : x
2. Step 2: Convert to fraction form
   17,268.92/25,897.88 = 7,405.55/x
3. Step 3: Cross multiply
   17,268.92x = 25,897.88 × 7,405.55
4. Step 4: Simplify right side
   17,268.92x = 191,787,878.72
5. Step 5: Solve for x
   x = 191,787,878.72/17,268.92
6. Step 6: Final answer
   x = 11,105.96