Finding the Fourth Proportional to 6,446.89, 8,897.15 and 3,614.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,446.89 : 8,897.15 = 3,614.47 : x
2. Step 2: Convert to fraction form
   6,446.89/8,897.15 = 3,614.47/x
3. Step 3: Cross multiply
   6,446.89x = 8,897.15 × 3,614.47
4. Step 4: Simplify right side
   6,446.89x = 32,158,468.55
5. Step 5: Solve for x
   x = 32,158,468.55/6,446.89
6. Step 6: Final answer
   x = 4,988.21