Finding the Fourth Proportional to 1,667.60, 2,504.36 and 1,582.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.60 : 2,504.36 = 1,582.52 : x
2. Step 2: Convert to fraction form
   1,667.60/2,504.36 = 1,582.52/x
3. Step 3: Cross multiply
   1,667.60x = 2,504.36 × 1,582.52
4. Step 4: Simplify right side
   1,667.60x = 3,963,199.79
5. Step 5: Solve for x
   x = 3,963,199.79/1,667.60
6. Step 6: Final answer
   x = 2,376.59