Finding the Fourth Proportional to 17,443.88, 26,162.94 and 5,129

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.88 : 26,162.94 = 5,129 : x
2. Step 2: Convert to fraction form
   17,443.88/26,162.94 = 5,129/x
3. Step 3: Cross multiply
   17,443.88x = 26,162.94 × 5,129
4. Step 4: Simplify right side
   17,443.88x = 134,189,719.26
5. Step 5: Solve for x
   x = 134,189,719.26/17,443.88
6. Step 6: Final answer
   x = 7,692.65