Finding the Fourth Proportional to 10,489.89, 15,731.06 and 3,562.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,489.89 : 15,731.06 = 3,562.77 : x
2. Step 2: Convert to fraction form
   10,489.89/15,731.06 = 3,562.77/x
3. Step 3: Cross multiply
   10,489.89x = 15,731.06 × 3,562.77
4. Step 4: Simplify right side
   10,489.89x = 56,046,130.82
5. Step 5: Solve for x
   x = 56,046,130.82/10,489.89
6. Step 6: Final answer
   x = 5,342.87