Finding the Fourth Proportional to 3,712.88, 5,123.04 and 2,141.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,712.88 : 5,123.04 = 2,141.48 : x
2. Step 2: Convert to fraction form
   3,712.88/5,123.04 = 2,141.48/x
3. Step 3: Cross multiply
   3,712.88x = 5,123.04 × 2,141.48
4. Step 4: Simplify right side
   3,712.88x = 10,970,887.70
5. Step 5: Solve for x
   x = 10,970,887.70/3,712.88
6. Step 6: Final answer
   x = 2,954.82