Finding the Fourth Proportional to 10,320.85, 14,242.83 and 5,605.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.85 : 14,242.83 = 5,605.13 : x
2. Step 2: Convert to fraction form
   10,320.85/14,242.83 = 5,605.13/x
3. Step 3: Cross multiply
   10,320.85x = 14,242.83 × 5,605.13
4. Step 4: Simplify right side
   10,320.85x = 79,832,913.72
5. Step 5: Solve for x
   x = 79,832,913.72/10,320.85
6. Step 6: Final answer
   x = 7,735.11