Finding the Fourth Proportional to 2,045.34, 2,821.50 and 1,258.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.34 : 2,821.50 = 1,258.02 : x
2. Step 2: Convert to fraction form
   2,045.34/2,821.50 = 1,258.02/x
3. Step 3: Cross multiply
   2,045.34x = 2,821.50 × 1,258.02
4. Step 4: Simplify right side
   2,045.34x = 3,549,503.43
5. Step 5: Solve for x
   x = 3,549,503.43/2,045.34
6. Step 6: Final answer
   x = 1,735.41