Finding the Fourth Proportional to 2,874.72, 3,967.30 and 1,932.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874.72 : 3,967.30 = 1,932.08 : x
2. Step 2: Convert to fraction form
   2,874.72/3,967.30 = 1,932.08/x
3. Step 3: Cross multiply
   2,874.72x = 3,967.30 × 1,932.08
4. Step 4: Simplify right side
   2,874.72x = 7,665,140.98
5. Step 5: Solve for x
   x = 7,665,140.98/2,874.72
6. Step 6: Final answer
   x = 2,666.40