Finding the Fourth Proportional to 17,410.72, 26,118.32 and 5,725.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,410.72 : 26,118.32 = 5,725.12 : x
2. Step 2: Convert to fraction form
   17,410.72/26,118.32 = 5,725.12/x
3. Step 3: Cross multiply
   17,410.72x = 26,118.32 × 5,725.12
4. Step 4: Simplify right side
   17,410.72x = 149,530,516.20
5. Step 5: Solve for x
   x = 149,530,516.20/17,410.72
6. Step 6: Final answer
   x = 8,588.42