Finding the Fourth Proportional to 1,585.06, 2,388.41 and 1,302.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585.06 : 2,388.41 = 1,302.82 : x
2. Step 2: Convert to fraction form
   1,585.06/2,388.41 = 1,302.82/x
3. Step 3: Cross multiply
   1,585.06x = 2,388.41 × 1,302.82
4. Step 4: Simplify right side
   1,585.06x = 3,111,668.32
5. Step 5: Solve for x
   x = 3,111,668.32/1,585.06
6. Step 6: Final answer
   x = 1,963.12