Finding the Fourth Proportional to 10,934.04, 15,108.72 and 7,784.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,934.04 : 15,108.72 = 7,784.76 : x
2. Step 2: Convert to fraction form
   10,934.04/15,108.72 = 7,784.76/x
3. Step 3: Cross multiply
   10,934.04x = 15,108.72 × 7,784.76
4. Step 4: Simplify right side
   10,934.04x = 117,617,759.11
5. Step 5: Solve for x
   x = 117,617,759.11/10,934.04
6. Step 6: Final answer
   x = 10,757.03