Finding the Fourth Proportional to 1,333.81, 1,842.12 and 1,038.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.81 : 1,842.12 = 1,038.65 : x
2. Step 2: Convert to fraction form
   1,333.81/1,842.12 = 1,038.65/x
3. Step 3: Cross multiply
   1,333.81x = 1,842.12 × 1,038.65
4. Step 4: Simplify right side
   1,333.81x = 1,913,325.93
5. Step 5: Solve for x
   x = 1,913,325.93/1,333.81
6. Step 6: Final answer
   x = 1,434.48