Finding the Fourth Proportional to 2,875.52, 3,966.72 and 2,175.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.52 : 3,966.72 = 2,175.68 : x
2. Step 2: Convert to fraction form
   2,875.52/3,966.72 = 2,175.68/x
3. Step 3: Cross multiply
   2,875.52x = 3,966.72 × 2,175.68
4. Step 4: Simplify right side
   2,875.52x = 8,630,313.37
5. Step 5: Solve for x
   x = 8,630,313.37/2,875.52
6. Step 6: Final answer
   x = 3,001.31