Finding the Fourth Proportional to 7,005.52, 10,491.72 and 3,880.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.52 : 10,491.72 = 3,880.96 : x
2. Step 2: Convert to fraction form
   7,005.52/10,491.72 = 3,880.96/x
3. Step 3: Cross multiply
   7,005.52x = 10,491.72 × 3,880.96
4. Step 4: Simplify right side
   7,005.52x = 40,717,945.65
5. Step 5: Solve for x
   x = 40,717,945.65/7,005.52
6. Step 6: Final answer
   x = 5,812.27