Finding the Fourth Proportional to 2,575.24, 3,859.98 and 1,112.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.24 : 3,859.98 = 1,112.20 : x
2. Step 2: Convert to fraction form
   2,575.24/3,859.98 = 1,112.20/x
3. Step 3: Cross multiply
   2,575.24x = 3,859.98 × 1,112.20
4. Step 4: Simplify right side
   2,575.24x = 4,293,069.76
5. Step 5: Solve for x
   x = 4,293,069.76/2,575.24
6. Step 6: Final answer
   x = 1,667.06