Finding the Fourth Proportional to 10,520.58, 14,518.48 and 5,805.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.58 : 14,518.48 = 5,805.03 : x
2. Step 2: Convert to fraction form
   10,520.58/14,518.48 = 5,805.03/x
3. Step 3: Cross multiply
   10,520.58x = 14,518.48 × 5,805.03
4. Step 4: Simplify right side
   10,520.58x = 84,280,211.95
5. Step 5: Solve for x
   x = 84,280,211.95/10,520.58
6. Step 6: Final answer
   x = 8,010.99