Finding the Fourth Proportional to 3,868.70, 5,340.33 and 2,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.70 : 5,340.33 = 2,610.50 : x
2. Step 2: Convert to fraction form
   3,868.70/5,340.33 = 2,610.50/x
3. Step 3: Cross multiply
   3,868.70x = 5,340.33 × 2,610.50
4. Step 4: Simplify right side
   3,868.70x = 13,940,931.47
5. Step 5: Solve for x
   x = 13,940,931.47/3,868.70
6. Step 6: Final answer
   x = 3,603.52