Finding the Fourth Proportional to 2,303.57, 3,179.85 and 1,507.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.57 : 3,179.85 = 1,507.25 : x
2. Step 2: Convert to fraction form
   2,303.57/3,179.85 = 1,507.25/x
3. Step 3: Cross multiply
   2,303.57x = 3,179.85 × 1,507.25
4. Step 4: Simplify right side
   2,303.57x = 4,792,828.91
5. Step 5: Solve for x
   x = 4,792,828.91/2,303.57
6. Step 6: Final answer
   x = 2,080.61