Finding the Fourth Proportional to 1,801.37, 2,485.71 and 1,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.37 : 2,485.71 = 1,329.52 : x
2. Step 2: Convert to fraction form
   1,801.37/2,485.71 = 1,329.52/x
3. Step 3: Cross multiply
   1,801.37x = 2,485.71 × 1,329.52
4. Step 4: Simplify right side
   1,801.37x = 3,304,804.48
5. Step 5: Solve for x
   x = 3,304,804.48/1,801.37
6. Step 6: Final answer
   x = 1,834.61