Finding the Fourth Proportional to 3,866.92, 5,303.54 and 3,708.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.92 : 5,303.54 = 3,708.16 : x
2. Step 2: Convert to fraction form
   3,866.92/5,303.54 = 3,708.16/x
3. Step 3: Cross multiply
   3,866.92x = 5,303.54 × 3,708.16
4. Step 4: Simplify right side
   3,866.92x = 19,666,374.89
5. Step 5: Solve for x
   x = 19,666,374.89/3,866.92
6. Step 6: Final answer
   x = 5,085.80