Finding the Fourth Proportional to 11,521.89, 17,268.80 and 5,972.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,521.89 : 17,268.80 = 5,972.18 : x
2. Step 2: Convert to fraction form
   11,521.89/17,268.80 = 5,972.18/x
3. Step 3: Cross multiply
   11,521.89x = 17,268.80 × 5,972.18
4. Step 4: Simplify right side
   11,521.89x = 103,132,265.78
5. Step 5: Solve for x
   x = 103,132,265.78/11,521.89
6. Step 6: Final answer
   x = 8,950.99