Finding the Fourth Proportional to 1,659.30, 2,258.16 and 1,659.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.30 : 2,258.16 = 1,659.30 : x
2. Step 2: Convert to fraction form
   1,659.30/2,258.16 = 1,659.30/x
3. Step 3: Cross multiply
   1,659.30x = 2,258.16 × 1,659.30
4. Step 4: Simplify right side
   1,659.30x = 3,746,964.89
5. Step 5: Solve for x
   x = 3,746,964.89/1,659.30
6. Step 6: Final answer
   x = 2,258.16