Finding the Fourth Proportional to 2,375.54, 3,557.53 and 1,642.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.54 : 3,557.53 = 1,642.89 : x
2. Step 2: Convert to fraction form
   2,375.54/3,557.53 = 1,642.89/x
3. Step 3: Cross multiply
   2,375.54x = 3,557.53 × 1,642.89
4. Step 4: Simplify right side
   2,375.54x = 5,844,630.46
5. Step 5: Solve for x
   x = 5,844,630.46/2,375.54
6. Step 6: Final answer
   x = 2,460.34