Finding the Fourth Proportional to 2,875.27, 4,300.32 and 2,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.27 : 4,300.32 = 2,665.10 : x
2. Step 2: Convert to fraction form
   2,875.27/4,300.32 = 2,665.10/x
3. Step 3: Cross multiply
   2,875.27x = 4,300.32 × 2,665.10
4. Step 4: Simplify right side
   2,875.27x = 11,460,782.83
5. Step 5: Solve for x
   x = 11,460,782.83/2,875.27
6. Step 6: Final answer
   x = 3,985.98