Finding the Fourth Proportional to 3,927.72, 5,892.45 and 2,175.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927.72 : 5,892.45 = 2,175.29 : x
2. Step 2: Convert to fraction form
   3,927.72/5,892.45 = 2,175.29/x
3. Step 3: Cross multiply
   3,927.72x = 5,892.45 × 2,175.29
4. Step 4: Simplify right side
   3,927.72x = 12,817,758.10
5. Step 5: Solve for x
   x = 12,817,758.10/3,927.72
6. Step 6: Final answer
   x = 3,263.41