Finding the Fourth Proportional to 6,442.96, 8,890.20 and 3,610.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442.96 : 8,890.20 = 3,610.12 : x
2. Step 2: Convert to fraction form
   6,442.96/8,890.20 = 3,610.12/x
3. Step 3: Cross multiply
   6,442.96x = 8,890.20 × 3,610.12
4. Step 4: Simplify right side
   6,442.96x = 32,094,688.82
5. Step 5: Solve for x
   x = 32,094,688.82/6,442.96
6. Step 6: Final answer
   x = 4,981.36