Finding the Fourth Proportional to 1,583.99, 2,187.81 and 1,088.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.99 : 2,187.81 = 1,088.27 : x
2. Step 2: Convert to fraction form
   1,583.99/2,187.81 = 1,088.27/x
3. Step 3: Cross multiply
   1,583.99x = 2,187.81 × 1,088.27
4. Step 4: Simplify right side
   1,583.99x = 2,380,917.05
5. Step 5: Solve for x
   x = 2,380,917.05/1,583.99
6. Step 6: Final answer
   x = 1,503.12