Finding the Fourth Proportional to 2,761.43, 3,807.74 and 1,875.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.43 : 3,807.74 = 1,875.69 : x
2. Step 2: Convert to fraction form
   2,761.43/3,807.74 = 1,875.69/x
3. Step 3: Cross multiply
   2,761.43x = 3,807.74 × 1,875.69
4. Step 4: Simplify right side
   2,761.43x = 7,142,144.53
5. Step 5: Solve for x
   x = 7,142,144.53/2,761.43
6. Step 6: Final answer
   x = 2,586.40