Finding the Fourth Proportional to 11,086.62, 15,278.49 and 7,937.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.62 : 15,278.49 = 7,937.34 : x
2. Step 2: Convert to fraction form
   11,086.62/15,278.49 = 7,937.34/x
3. Step 3: Cross multiply
   11,086.62x = 15,278.49 × 7,937.34
4. Step 4: Simplify right side
   11,086.62x = 121,270,569.82
5. Step 5: Solve for x
   x = 121,270,569.82/11,086.62
6. Step 6: Final answer
   x = 10,938.46