Finding the Fourth Proportional to 3,870.53, 5,799.65 and 2,995.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.53 : 5,799.65 = 2,995.16 : x
2. Step 2: Convert to fraction form
   3,870.53/5,799.65 = 2,995.16/x
3. Step 3: Cross multiply
   3,870.53x = 5,799.65 × 2,995.16
4. Step 4: Simplify right side
   3,870.53x = 17,370,909.66
5. Step 5: Solve for x
   x = 17,370,909.66/3,870.53
6. Step 6: Final answer
   x = 4,487.99