Finding the Fourth Proportional to 10,488.12, 15,733.80 and 3,561

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.12 : 15,733.80 = 3,561 : x
2. Step 2: Convert to fraction form
   10,488.12/15,733.80 = 3,561/x
3. Step 3: Cross multiply
   10,488.12x = 15,733.80 × 3,561
4. Step 4: Simplify right side
   10,488.12x = 56,028,061.80
5. Step 5: Solve for x
   x = 56,028,061.80/10,488.12
6. Step 6: Final answer
   x = 5,342.05