Finding the Fourth Proportional to 11,526.10, 17,290.24 and 8,931.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,526.10 : 17,290.24 = 8,931.94 : x
2. Step 2: Convert to fraction form
   11,526.10/17,290.24 = 8,931.94/x
3. Step 3: Cross multiply
   11,526.10x = 17,290.24 × 8,931.94
4. Step 4: Simplify right side
   11,526.10x = 154,435,386.27
5. Step 5: Solve for x
   x = 154,435,386.27/11,526.10
6. Step 6: Final answer
   x = 13,398.75