Finding the Fourth Proportional to 10,520.49, 14,518.24 and 5,804.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.49 : 14,518.24 = 5,804.78 : x
2. Step 2: Convert to fraction form
   10,520.49/14,518.24 = 5,804.78/x
3. Step 3: Cross multiply
   10,520.49x = 14,518.24 × 5,804.78
4. Step 4: Simplify right side
   10,520.49x = 84,275,189.19
5. Step 5: Solve for x
   x = 84,275,189.19/10,520.49
6. Step 6: Final answer
   x = 8,010.58