Finding the Fourth Proportional to 2,902.71, 4,352.23 and 1,258

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.71 : 4,352.23 = 1,258 : x
2. Step 2: Convert to fraction form
   2,902.71/4,352.23 = 1,258/x
3. Step 3: Cross multiply
   2,902.71x = 4,352.23 × 1,258
4. Step 4: Simplify right side
   2,902.71x = 5,475,105.34
5. Step 5: Solve for x
   x = 5,475,105.34/2,902.71
6. Step 6: Final answer
   x = 1,886.20