Finding the Fourth Proportional to 17,402.26, 26,100.69 and 5,715.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,402.26 : 26,100.69 = 5,715.40 : x
2. Step 2: Convert to fraction form
   17,402.26/26,100.69 = 5,715.40/x
3. Step 3: Cross multiply
   17,402.26x = 26,100.69 × 5,715.40
4. Step 4: Simplify right side
   17,402.26x = 149,175,883.63
5. Step 5: Solve for x
   x = 149,175,883.63/17,402.26
6. Step 6: Final answer
   x = 8,572.21