Finding the Fourth Proportional to 6,442.07, 8,892.21 and 3,925.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442.07 : 8,892.21 = 3,925.82 : x
2. Step 2: Convert to fraction form
   6,442.07/8,892.21 = 3,925.82/x
3. Step 3: Cross multiply
   6,442.07x = 8,892.21 × 3,925.82
4. Step 4: Simplify right side
   6,442.07x = 34,909,215.86
5. Step 5: Solve for x
   x = 34,909,215.86/6,442.07
6. Step 6: Final answer
   x = 5,418.94