Finding the Fourth Proportional to 3,875.57, 5,349.69 and 2,385.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.57 : 5,349.69 = 2,385.48 : x
2. Step 2: Convert to fraction form
   3,875.57/5,349.69 = 2,385.48/x
3. Step 3: Cross multiply
   3,875.57x = 5,349.69 × 2,385.48
4. Step 4: Simplify right side
   3,875.57x = 12,761,578.50
5. Step 5: Solve for x
   x = 12,761,578.50/3,875.57
6. Step 6: Final answer
   x = 3,292.83