Finding the Fourth Proportional to 7,978.50, 11,013.06 and 4,834.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,978.50 : 11,013.06 = 4,834.69 : x
2. Step 2: Convert to fraction form
   7,978.50/11,013.06 = 4,834.69/x
3. Step 3: Cross multiply
   7,978.50x = 11,013.06 × 4,834.69
4. Step 4: Simplify right side
   7,978.50x = 53,244,721.65
5. Step 5: Solve for x
   x = 53,244,721.65/7,978.50
6. Step 6: Final answer
   x = 6,673.53