Finding the Fourth Proportional to 10,868.66, 16,309.05 and 5,870.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.66 : 16,309.05 = 5,870.93 : x
2. Step 2: Convert to fraction form
   10,868.66/16,309.05 = 5,870.93/x
3. Step 3: Cross multiply
   10,868.66x = 16,309.05 × 5,870.93
4. Step 4: Simplify right side
   10,868.66x = 95,749,290.92
5. Step 5: Solve for x
   x = 95,749,290.92/10,868.66
6. Step 6: Final answer
   x = 8,809.67