Finding the Fourth Proportional to 1,404.46, 1,937.68 and 907.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.46 : 1,937.68 = 907.73 : x
2. Step 2: Convert to fraction form
   1,404.46/1,937.68 = 907.73/x
3. Step 3: Cross multiply
   1,404.46x = 1,937.68 × 907.73
4. Step 4: Simplify right side
   1,404.46x = 1,758,890.27
5. Step 5: Solve for x
   x = 1,758,890.27/1,404.46
6. Step 6: Final answer
   x = 1,252.36