Finding the Fourth Proportional to 10,520.74, 14,518.71 and 5,805.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.74 : 14,518.71 = 5,805.34 : x
2. Step 2: Convert to fraction form
   10,520.74/14,518.71 = 5,805.34/x
3. Step 3: Cross multiply
   10,520.74x = 14,518.71 × 5,805.34
4. Step 4: Simplify right side
   10,520.74x = 84,286,047.91
5. Step 5: Solve for x
   x = 84,286,047.91/10,520.74
6. Step 6: Final answer
   x = 8,011.42