Finding the Fourth Proportional to 10,771.65, 14,860.64 and 7,945.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,771.65 : 14,860.64 = 7,945.83 : x
2. Step 2: Convert to fraction form
   10,771.65/14,860.64 = 7,945.83/x
3. Step 3: Cross multiply
   10,771.65x = 14,860.64 × 7,945.83
4. Step 4: Simplify right side
   10,771.65x = 118,080,079.40
5. Step 5: Solve for x
   x = 118,080,079.40/10,771.65
6. Step 6: Final answer
   x = 10,962.12