Finding the Fourth Proportional to 10,900.57, 15,042.78 and 5,932.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.57 : 15,042.78 = 5,932.57 : x
2. Step 2: Convert to fraction form
   10,900.57/15,042.78 = 5,932.57/x
3. Step 3: Cross multiply
   10,900.57x = 15,042.78 × 5,932.57
4. Step 4: Simplify right side
   10,900.57x = 89,242,345.34
5. Step 5: Solve for x
   x = 89,242,345.34/10,900.57
6. Step 6: Final answer
   x = 8,186.94