Finding the Fourth Proportional to 1,404.52, 1,938.02 and 907.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.52 : 1,938.02 = 907.24 : x
2. Step 2: Convert to fraction form
   1,404.52/1,938.02 = 907.24/x
3. Step 3: Cross multiply
   1,404.52x = 1,938.02 × 907.24
4. Step 4: Simplify right side
   1,404.52x = 1,758,249.26
5. Step 5: Solve for x
   x = 1,758,249.26/1,404.52
6. Step 6: Final answer
   x = 1,251.85