Finding the Fourth Proportional to 17,389.18, 26,088.32 and 7,526.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,389.18 : 26,088.32 = 7,526.15 : x
2. Step 2: Convert to fraction form
   17,389.18/26,088.32 = 7,526.15/x
3. Step 3: Cross multiply
   17,389.18x = 26,088.32 × 7,526.15
4. Step 4: Simplify right side
   17,389.18x = 196,344,609.57
5. Step 5: Solve for x
   x = 196,344,609.57/17,389.18
6. Step 6: Final answer
   x = 11,291.19