Finding the Fourth Proportional to 2,425.32, 3,348.36 and 1,640.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.32 : 3,348.36 = 1,640.52 : x
2. Step 2: Convert to fraction form
   2,425.32/3,348.36 = 1,640.52/x
3. Step 3: Cross multiply
   2,425.32x = 3,348.36 × 1,640.52
4. Step 4: Simplify right side
   2,425.32x = 5,493,051.55
5. Step 5: Solve for x
   x = 5,493,051.55/2,425.32
6. Step 6: Final answer
   x = 2,264.88