Finding the Fourth Proportional to 3,712.82, 5,123.72 and 2,533.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,712.82 : 5,123.72 = 2,533.86 : x
2. Step 2: Convert to fraction form
   3,712.82/5,123.72 = 2,533.86/x
3. Step 3: Cross multiply
   3,712.82x = 5,123.72 × 2,533.86
4. Step 4: Simplify right side
   3,712.82x = 12,982,789.16
5. Step 5: Solve for x
   x = 12,982,789.16/3,712.82
6. Step 6: Final answer
   x = 3,496.75