Finding the Fourth Proportional to 6,896.55, 10,341.18 and 4,428.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,896.55 : 10,341.18 = 4,428.89 : x
2. Step 2: Convert to fraction form
   6,896.55/10,341.18 = 4,428.89/x
3. Step 3: Cross multiply
   6,896.55x = 10,341.18 × 4,428.89
4. Step 4: Simplify right side
   6,896.55x = 45,799,896.98
5. Step 5: Solve for x
   x = 45,799,896.98/6,896.55
6. Step 6: Final answer
   x = 6,640.99