Finding the Fourth Proportional to 6,442.56, 8,890.64 and 3,610.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442.56 : 8,890.64 = 3,610.04 : x
2. Step 2: Convert to fraction form
   6,442.56/8,890.64 = 3,610.04/x
3. Step 3: Cross multiply
   6,442.56x = 8,890.64 × 3,610.04
4. Step 4: Simplify right side
   6,442.56x = 32,095,503.52
5. Step 5: Solve for x
   x = 32,095,503.52/6,442.56
6. Step 6: Final answer
   x = 4,981.79