Finding the Fourth Proportional to 10,891.04, 16,338.72 and 5,043.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.04 : 16,338.72 = 5,043.92 : x
2. Step 2: Convert to fraction form
   10,891.04/16,338.72 = 5,043.92/x
3. Step 3: Cross multiply
   10,891.04x = 16,338.72 × 5,043.92
4. Step 4: Simplify right side
   10,891.04x = 82,411,196.58
5. Step 5: Solve for x
   x = 82,411,196.58/10,891.04
6. Step 6: Final answer
   x = 7,566.88