Finding the Fourth Proportional to 10,233.39, 15,338.57 and 5,042.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,233.39 : 15,338.57 = 5,042.91 : x
2. Step 2: Convert to fraction form
   10,233.39/15,338.57 = 5,042.91/x
3. Step 3: Cross multiply
   10,233.39x = 15,338.57 × 5,042.91
4. Step 4: Simplify right side
   10,233.39x = 77,351,002.82
5. Step 5: Solve for x
   x = 77,351,002.82/10,233.39
6. Step 6: Final answer
   x = 7,558.69