Finding the Fourth Proportional to 10,893.12, 16,323.27 and 5,042.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,893.12 : 16,323.27 = 5,042.89 : x
2. Step 2: Convert to fraction form
   10,893.12/16,323.27 = 5,042.89/x
3. Step 3: Cross multiply
   10,893.12x = 16,323.27 × 5,042.89
4. Step 4: Simplify right side
   10,893.12x = 82,316,455.05
5. Step 5: Solve for x
   x = 82,316,455.05/10,893.12
6. Step 6: Final answer
   x = 7,556.74