Finding the Fourth Proportional to 57,588.72, 86,386.50 and 17,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,588.72 : 86,386.50 = 17,606.72 : x
2. Step 2: Convert to fraction form
   57,588.72/86,386.50 = 17,606.72/x
3. Step 3: Cross multiply
   57,588.72x = 86,386.50 × 17,606.72
4. Step 4: Simplify right side
   57,588.72x = 1,520,982,647.32
5. Step 5: Solve for x
   x = 1,520,982,647.32/57,588.72
6. Step 6: Final answer
   x = 26,411.12