Finding the Fourth Proportional to 4,315.06, 5,957.15 and 2,900.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,315.06 : 5,957.15 = 2,900.80 : x
2. Step 2: Convert to fraction form
   4,315.06/5,957.15 = 2,900.80/x
3. Step 3: Cross multiply
   4,315.06x = 5,957.15 × 2,900.80
4. Step 4: Simplify right side
   4,315.06x = 17,280,500.72
5. Step 5: Solve for x
   x = 17,280,500.72/4,315.06
6. Step 6: Final answer
   x = 4,004.70