Finding the Fourth Proportional to 2,080.50, 3,111.36 and 1,587.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.50 : 3,111.36 = 1,587.06 : x
2. Step 2: Convert to fraction form
   2,080.50/3,111.36 = 1,587.06/x
3. Step 3: Cross multiply
   2,080.50x = 3,111.36 × 1,587.06
4. Step 4: Simplify right side
   2,080.50x = 4,937,915.00
5. Step 5: Solve for x
   x = 4,937,915.00/2,080.50
6. Step 6: Final answer
   x = 2,373.43