Finding the Fourth Proportional to 17,748.78, 26,613.18 and 5,896.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,748.78 : 26,613.18 = 5,896.21 : x
2. Step 2: Convert to fraction form
   17,748.78/26,613.18 = 5,896.21/x
3. Step 3: Cross multiply
   17,748.78x = 26,613.18 × 5,896.21
4. Step 4: Simplify right side
   17,748.78x = 156,916,831.51
5. Step 5: Solve for x
   x = 156,916,831.51/17,748.78
6. Step 6: Final answer
   x = 8,840.99