Finding the Fourth Proportional to 10,963.46, 15,149.61 and 7,814.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,963.46 : 15,149.61 = 7,814.18 : x
2. Step 2: Convert to fraction form
   10,963.46/15,149.61 = 7,814.18/x
3. Step 3: Cross multiply
   10,963.46x = 15,149.61 × 7,814.18
4. Step 4: Simplify right side
   10,963.46x = 118,381,779.47
5. Step 5: Solve for x
   x = 118,381,779.47/10,963.46
6. Step 6: Final answer
   x = 10,797.85