Finding the Fourth Proportional to 2,255.07, 3,115.80 and 1,624.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.07 : 3,115.80 = 1,624.35 : x
2. Step 2: Convert to fraction form
   2,255.07/3,115.80 = 1,624.35/x
3. Step 3: Cross multiply
   2,255.07x = 3,115.80 × 1,624.35
4. Step 4: Simplify right side
   2,255.07x = 5,061,149.73
5. Step 5: Solve for x
   x = 5,061,149.73/2,255.07
6. Step 6: Final answer
   x = 2,244.34