Finding the Fourth Proportional to 10,520.74, 14,518.59 and 5,805.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.74 : 14,518.59 = 5,805.03 : x
2. Step 2: Convert to fraction form
   10,520.74/14,518.59 = 5,805.03/x
3. Step 3: Cross multiply
   10,520.74x = 14,518.59 × 5,805.03
4. Step 4: Simplify right side
   10,520.74x = 84,280,850.51
5. Step 5: Solve for x
   x = 84,280,850.51/10,520.74
6. Step 6: Final answer
   x = 8,010.92