Finding the Fourth Proportional to 1,659.98, 2,488.34 and 1,041.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.98 : 2,488.34 = 1,041.68 : x
2. Step 2: Convert to fraction form
   1,659.98/2,488.34 = 1,041.68/x
3. Step 3: Cross multiply
   1,659.98x = 2,488.34 × 1,041.68
4. Step 4: Simplify right side
   1,659.98x = 2,592,054.01
5. Step 5: Solve for x
   x = 2,592,054.01/1,659.98
6. Step 6: Final answer
   x = 1,561.50