Finding the Fourth Proportional to 1,659.62, 2,487.98 and 930.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.62 : 2,487.98 = 930.26 : x
2. Step 2: Convert to fraction form
   1,659.62/2,487.98 = 930.26/x
3. Step 3: Cross multiply
   1,659.62x = 2,487.98 × 930.26
4. Step 4: Simplify right side
   1,659.62x = 2,314,468.27
5. Step 5: Solve for x
   x = 2,314,468.27/1,659.62
6. Step 6: Final answer
   x = 1,394.58