Finding the Fourth Proportional to 11,521.96, 17,292.16 and 5,284.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,521.96 : 17,292.16 = 5,284.91 : x
2. Step 2: Convert to fraction form
   11,521.96/17,292.16 = 5,284.91/x
3. Step 3: Cross multiply
   11,521.96x = 17,292.16 × 5,284.91
4. Step 4: Simplify right side
   11,521.96x = 91,387,479.29
5. Step 5: Solve for x
   x = 91,387,479.29/11,521.96
6. Step 6: Final answer
   x = 7,931.59