Finding the Fourth Proportional to 17,587.92, 26,385.52 and 5,742.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,587.92 : 26,385.52 = 5,742.88 : x
2. Step 2: Convert to fraction form
   17,587.92/26,385.52 = 5,742.88/x
3. Step 3: Cross multiply
   17,587.92x = 26,385.52 × 5,742.88
4. Step 4: Simplify right side
   17,587.92x = 151,528,875.10
5. Step 5: Solve for x
   x = 151,528,875.10/17,587.92
6. Step 6: Final answer
   x = 8,615.51