Finding the Fourth Proportional to 1,203.89, 1,806.18 and 587.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203.89 : 1,806.18 = 587.95 : x
2. Step 2: Convert to fraction form
   1,203.89/1,806.18 = 587.95/x
3. Step 3: Cross multiply
   1,203.89x = 1,806.18 × 587.95
4. Step 4: Simplify right side
   1,203.89x = 1,061,943.53
5. Step 5: Solve for x
   x = 1,061,943.53/1,203.89
6. Step 6: Final answer
   x = 882.09