Finding the Fourth Proportional to 6,445.29, 8,892.69 and 3,927.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,445.29 : 8,892.69 = 3,927.48 : x
2. Step 2: Convert to fraction form
   6,445.29/8,892.69 = 3,927.48/x
3. Step 3: Cross multiply
   6,445.29x = 8,892.69 × 3,927.48
4. Step 4: Simplify right side
   6,445.29x = 34,925,862.12
5. Step 5: Solve for x
   x = 34,925,862.12/6,445.29
6. Step 6: Final answer
   x = 5,418.82