Finding the Fourth Proportional to 17,397.38, 26,090.61 and 5,707.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,397.38 : 26,090.61 = 5,707.86 : x
2. Step 2: Convert to fraction form
   17,397.38/26,090.61 = 5,707.86/x
3. Step 3: Cross multiply
   17,397.38x = 26,090.61 × 5,707.86
4. Step 4: Simplify right side
   17,397.38x = 148,921,549.19
5. Step 5: Solve for x
   x = 148,921,549.19/17,397.38
6. Step 6: Final answer
   x = 8,560.00