Finding the Fourth Proportional to 2,300.13, 3,172.87 and 1,415.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.13 : 3,172.87 = 1,415.75 : x
2. Step 2: Convert to fraction form
   2,300.13/3,172.87 = 1,415.75/x
3. Step 3: Cross multiply
   2,300.13x = 3,172.87 × 1,415.75
4. Step 4: Simplify right side
   2,300.13x = 4,491,976.61
5. Step 5: Solve for x
   x = 4,491,976.61/2,300.13
6. Step 6: Final answer
   x = 1,952.92