Finding the Fourth Proportional to 3,648.53, 5,471.42 and 2,870.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.53 : 5,471.42 = 2,870.06 : x
2. Step 2: Convert to fraction form
   3,648.53/5,471.42 = 2,870.06/x
3. Step 3: Cross multiply
   3,648.53x = 5,471.42 × 2,870.06
4. Step 4: Simplify right side
   3,648.53x = 15,703,283.50
5. Step 5: Solve for x
   x = 15,703,283.50/3,648.53
6. Step 6: Final answer
   x = 4,304.00