Finding the Fourth Proportional to 17,290.47, 25,911.39 and 9,883.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,290.47 : 25,911.39 = 9,883.83 : x
2. Step 2: Convert to fraction form
   17,290.47/25,911.39 = 9,883.83/x
3. Step 3: Cross multiply
   17,290.47x = 25,911.39 × 9,883.83
4. Step 4: Simplify right side
   17,290.47x = 256,103,773.82
5. Step 5: Solve for x
   x = 256,103,773.82/17,290.47
6. Step 6: Final answer
   x = 14,811.85