Finding the Fourth Proportional to 2,357.48, 3,532.12 and 1,258.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.48 : 3,532.12 = 1,258.52 : x
2. Step 2: Convert to fraction form
   2,357.48/3,532.12 = 1,258.52/x
3. Step 3: Cross multiply
   2,357.48x = 3,532.12 × 1,258.52
4. Step 4: Simplify right side
   2,357.48x = 4,445,222.86
5. Step 5: Solve for x
   x = 4,445,222.86/2,357.48
6. Step 6: Final answer
   x = 1,885.58