Finding the Fourth Proportional to 2,237.86, 3,088.28 and 1,243.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,237.86 : 3,088.28 = 1,243.18 : x
2. Step 2: Convert to fraction form
   2,237.86/3,088.28 = 1,243.18/x
3. Step 3: Cross multiply
   2,237.86x = 3,088.28 × 1,243.18
4. Step 4: Simplify right side
   2,237.86x = 3,839,266.27
5. Step 5: Solve for x
   x = 3,839,266.27/2,237.86
6. Step 6: Final answer
   x = 1,715.60