Finding the Fourth Proportional to 1,333.64, 1,838.62 and 998.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.64 : 1,838.62 = 998.04 : x
2. Step 2: Convert to fraction form
   1,333.64/1,838.62 = 998.04/x
3. Step 3: Cross multiply
   1,333.64x = 1,838.62 × 998.04
4. Step 4: Simplify right side
   1,333.64x = 1,835,013.81
5. Step 5: Solve for x
   x = 1,835,013.81/1,333.64
6. Step 6: Final answer
   x = 1,375.94