Finding the Fourth Proportional to 1,875.50, 2,587.56 and 1,089.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.50 : 2,587.56 = 1,089.26 : x
2. Step 2: Convert to fraction form
   1,875.50/2,587.56 = 1,089.26/x
3. Step 3: Cross multiply
   1,875.50x = 2,587.56 × 1,089.26
4. Step 4: Simplify right side
   1,875.50x = 2,818,525.61
5. Step 5: Solve for x
   x = 2,818,525.61/1,875.50
6. Step 6: Final answer
   x = 1,502.81