Finding the Fourth Proportional to 10,897.87, 16,355.57 and 5,634.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,897.87 : 16,355.57 = 5,634.43 : x
2. Step 2: Convert to fraction form
   10,897.87/16,355.57 = 5,634.43/x
3. Step 3: Cross multiply
   10,897.87x = 16,355.57 × 5,634.43
4. Step 4: Simplify right side
   10,897.87x = 92,154,314.28
5. Step 5: Solve for x
   x = 92,154,314.28/10,897.87
6. Step 6: Final answer
   x = 8,456.18