Finding the Fourth Proportional to 10,868.12, 14,997.78 and 5,900.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.12 : 14,997.78 = 5,900.12 : x
2. Step 2: Convert to fraction form
   10,868.12/14,997.78 = 5,900.12/x
3. Step 3: Cross multiply
   10,868.12x = 14,997.78 × 5,900.12
4. Step 4: Simplify right side
   10,868.12x = 88,488,701.73
5. Step 5: Solve for x
   x = 88,488,701.73/10,868.12
6. Step 6: Final answer
   x = 8,142.04