Finding the Fourth Proportional to 17,743.59, 26,610.84 and 5,260.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,743.59 : 26,610.84 = 5,260.70 : x
2. Step 2: Convert to fraction form
   17,743.59/26,610.84 = 5,260.70/x
3. Step 3: Cross multiply
   17,743.59x = 26,610.84 × 5,260.70
4. Step 4: Simplify right side
   17,743.59x = 139,991,645.99
5. Step 5: Solve for x
   x = 139,991,645.99/17,743.59
6. Step 6: Final answer
   x = 7,889.70