Finding the Fourth Proportional to 1,365.30, 1,886.88 and 1,033.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.30 : 1,886.88 = 1,033.62 : x
2. Step 2: Convert to fraction form
   1,365.30/1,886.88 = 1,033.62/x
3. Step 3: Cross multiply
   1,365.30x = 1,886.88 × 1,033.62
4. Step 4: Simplify right side
   1,365.30x = 1,950,316.91
5. Step 5: Solve for x
   x = 1,950,316.91/1,365.30
6. Step 6: Final answer
   x = 1,428.49