Finding the Fourth Proportional to 1,659.60, 2,488.32 and 1,527.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.60 : 2,488.32 = 1,527.84 : x
2. Step 2: Convert to fraction form
   1,659.60/2,488.32 = 1,527.84/x
3. Step 3: Cross multiply
   1,659.60x = 2,488.32 × 1,527.84
4. Step 4: Simplify right side
   1,659.60x = 3,801,754.83
5. Step 5: Solve for x
   x = 3,801,754.83/1,659.60
6. Step 6: Final answer
   x = 2,290.77