Finding the Fourth Proportional to 17,598.52, 26,399.48 and 5,118.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,598.52 : 26,399.48 = 5,118.64 : x
2. Step 2: Convert to fraction form
   17,598.52/26,399.48 = 5,118.64/x
3. Step 3: Cross multiply
   17,598.52x = 26,399.48 × 5,118.64
4. Step 4: Simplify right side
   17,598.52x = 135,129,434.31
5. Step 5: Solve for x
   x = 135,129,434.31/17,598.52
6. Step 6: Final answer
   x = 7,678.45