Finding the Fourth Proportional to 1,659.27, 2,290.86 and 1,030.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.27 : 2,290.86 = 1,030.46 : x
2. Step 2: Convert to fraction form
   1,659.27/2,290.86 = 1,030.46/x
3. Step 3: Cross multiply
   1,659.27x = 2,290.86 × 1,030.46
4. Step 4: Simplify right side
   1,659.27x = 2,360,639.60
5. Step 5: Solve for x
   x = 2,360,639.60/1,659.27
6. Step 6: Final answer
   x = 1,422.70