Finding the Fourth Proportional to 7,113.62, 9,813.74 and 4,280.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,113.62 : 9,813.74 = 4,280.24 : x
2. Step 2: Convert to fraction form
   7,113.62/9,813.74 = 4,280.24/x
3. Step 3: Cross multiply
   7,113.62x = 9,813.74 × 4,280.24
4. Step 4: Simplify right side
   7,113.62x = 42,005,162.50
5. Step 5: Solve for x
   x = 42,005,162.50/7,113.62
6. Step 6: Final answer
   x = 5,904.89