Finding the Fourth Proportional to 2,225.88, 3,071.52 and 1,635.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.88 : 3,071.52 = 1,635.39 : x
2. Step 2: Convert to fraction form
   2,225.88/3,071.52 = 1,635.39/x
3. Step 3: Cross multiply
   2,225.88x = 3,071.52 × 1,635.39
4. Step 4: Simplify right side
   2,225.88x = 5,023,133.09
5. Step 5: Solve for x
   x = 5,023,133.09/2,225.88
6. Step 6: Final answer
   x = 2,256.70