Finding the Fourth Proportional to 1,439.81, 1,984.00 and 1,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.81 : 1,984.00 = 1,333.50 : x
2. Step 2: Convert to fraction form
   1,439.81/1,984.00 = 1,333.50/x
3. Step 3: Cross multiply
   1,439.81x = 1,984.00 × 1,333.50
4. Step 4: Simplify right side
   1,439.81x = 2,645,657.33
5. Step 5: Solve for x
   x = 2,645,657.33/1,439.81
6. Step 6: Final answer
   x = 1,837.50