Finding the Fourth Proportional to 17,056.14, 25,562.71 and 9,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,056.14 : 25,562.71 = 9,139.02 : x
2. Step 2: Convert to fraction form
   17,056.14/25,562.71 = 9,139.02/x
3. Step 3: Cross multiply
   17,056.14x = 25,562.71 × 9,139.02
4. Step 4: Simplify right side
   17,056.14x = 233,618,117.94
5. Step 5: Solve for x
   x = 233,618,117.94/17,056.14
6. Step 6: Final answer
   x = 13,697.01