Finding the Fourth Proportional to 6,866.73, 10,300.91 and 5,146.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,866.73 : 10,300.91 = 5,146.29 : x
2. Step 2: Convert to fraction form
   6,866.73/10,300.91 = 5,146.29/x
3. Step 3: Cross multiply
   6,866.73x = 10,300.91 × 5,146.29
4. Step 4: Simplify right side
   6,866.73x = 53,011,470.12
5. Step 5: Solve for x
   x = 53,011,470.12/6,866.73
6. Step 6: Final answer
   x = 7,720.05