Finding the Fourth Proportional to 10,080.36, 13,912.74 and 7,868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.36 : 13,912.74 = 7,868.52 : x
2. Step 2: Convert to fraction form
   10,080.36/13,912.74 = 7,868.52/x
3. Step 3: Cross multiply
   10,080.36x = 13,912.74 × 7,868.52
4. Step 4: Simplify right side
   10,080.36x = 109,472,672.94
5. Step 5: Solve for x
   x = 109,472,672.94/10,080.36
6. Step 6: Final answer
   x = 10,860.00