Finding the Fourth Proportional to 10,079.88, 13,900.24 and 7,837.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.88 : 13,900.24 = 7,837.80 : x
2. Step 2: Convert to fraction form
   10,079.88/13,900.24 = 7,837.80/x
3. Step 3: Cross multiply
   10,079.88x = 13,900.24 × 7,837.80
4. Step 4: Simplify right side
   10,079.88x = 108,947,301.07
5. Step 5: Solve for x
   x = 108,947,301.07/10,079.88
6. Step 6: Final answer
   x = 10,808.39