Finding the Fourth Proportional to 1,533.33, 2,104.38 and 1,385.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.33 : 2,104.38 = 1,385.71 : x
2. Step 2: Convert to fraction form
   1,533.33/2,104.38 = 1,385.71/x
3. Step 3: Cross multiply
   1,533.33x = 2,104.38 × 1,385.71
4. Step 4: Simplify right side
   1,533.33x = 2,916,055.15
5. Step 5: Solve for x
   x = 2,916,055.15/1,533.33
6. Step 6: Final answer
   x = 1,901.78