Finding the Fourth Proportional to 4,870.92, 7,293.42 and 3,806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.92 : 7,293.42 = 3,806.12 : x
2. Step 2: Convert to fraction form
   4,870.92/7,293.42 = 3,806.12/x
3. Step 3: Cross multiply
   4,870.92x = 7,293.42 × 3,806.12
4. Step 4: Simplify right side
   4,870.92x = 27,759,631.73
5. Step 5: Solve for x
   x = 27,759,631.73/4,870.92
6. Step 6: Final answer
   x = 5,699.05