Finding the Fourth Proportional to 8,732.56, 13,100.56 and 2,889.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,732.56 : 13,100.56 = 2,889.12 : x
2. Step 2: Convert to fraction form
   8,732.56/13,100.56 = 2,889.12/x
3. Step 3: Cross multiply
   8,732.56x = 13,100.56 × 2,889.12
4. Step 4: Simplify right side
   8,732.56x = 37,849,089.91
5. Step 5: Solve for x
   x = 37,849,089.91/8,732.56
6. Step 6: Final answer
   x = 4,334.25