Finding the Fourth Proportional to 10,570.02, 14,586.48 and 5,789.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.02 : 14,586.48 = 5,789.91 : x
2. Step 2: Convert to fraction form
   10,570.02/14,586.48 = 5,789.91/x
3. Step 3: Cross multiply
   10,570.02x = 14,586.48 × 5,789.91
4. Step 4: Simplify right side
   10,570.02x = 84,454,406.42
5. Step 5: Solve for x
   x = 84,454,406.42/10,570.02
6. Step 6: Final answer
   x = 7,989.99