Finding the Fourth Proportional to 17,013.88, 25,527.79 and 7,521.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.88 : 25,527.79 = 7,521.17 : x
2. Step 2: Convert to fraction form
   17,013.88/25,527.79 = 7,521.17/x
3. Step 3: Cross multiply
   17,013.88x = 25,527.79 × 7,521.17
4. Step 4: Simplify right side
   17,013.88x = 191,998,848.31
5. Step 5: Solve for x
   x = 191,998,848.31/17,013.88
6. Step 6: Final answer
   x = 11,284.84