Finding the Fourth Proportional to 10,570.77, 14,587.76 and 5,790.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.77 : 14,587.76 = 5,790.83 : x
2. Step 2: Convert to fraction form
   10,570.77/14,587.76 = 5,790.83/x
3. Step 3: Cross multiply
   10,570.77x = 14,587.76 × 5,790.83
4. Step 4: Simplify right side
   10,570.77x = 84,475,179.78
5. Step 5: Solve for x
   x = 84,475,179.78/10,570.77
6. Step 6: Final answer
   x = 7,991.39