Finding the Fourth Proportional to 2,238.84, 3,356.64 and 1,068.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.84 : 3,356.64 = 1,068.12 : x
2. Step 2: Convert to fraction form
   2,238.84/3,356.64 = 1,068.12/x
3. Step 3: Cross multiply
   2,238.84x = 3,356.64 × 1,068.12
4. Step 4: Simplify right side
   2,238.84x = 3,585,294.32
5. Step 5: Solve for x
   x = 3,585,294.32/2,238.84
6. Step 6: Final answer
   x = 1,601.41