Finding the Fourth Proportional to 2,472.88, 3,687.86 and 2,110

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.88 : 3,687.86 = 2,110 : x
2. Step 2: Convert to fraction form
   2,472.88/3,687.86 = 2,110/x
3. Step 3: Cross multiply
   2,472.88x = 3,687.86 × 2,110
4. Step 4: Simplify right side
   2,472.88x = 7,781,384.60
5. Step 5: Solve for x
   x = 7,781,384.60/2,472.88
6. Step 6: Final answer
   x = 3,146.69