Finding the Fourth Proportional to 10,461.52, 15,691.72 and 2,669.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,461.52 : 15,691.72 = 2,669.88 : x
2. Step 2: Convert to fraction form
   10,461.52/15,691.72 = 2,669.88/x
3. Step 3: Cross multiply
   10,461.52x = 15,691.72 × 2,669.88
4. Step 4: Simplify right side
   10,461.52x = 41,895,009.39
5. Step 5: Solve for x
   x = 41,895,009.39/10,461.52
6. Step 6: Final answer
   x = 4,004.68