Finding the Fourth Proportional to 5,607.72, 8,411.52 and 2,526.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,607.72 : 8,411.52 = 2,526.12 : x
2. Step 2: Convert to fraction form
   5,607.72/8,411.52 = 2,526.12/x
3. Step 3: Cross multiply
   5,607.72x = 8,411.52 × 2,526.12
4. Step 4: Simplify right side
   5,607.72x = 21,248,508.90
5. Step 5: Solve for x
   x = 21,248,508.90/5,607.72
6. Step 6: Final answer
   x = 3,789.15