Finding the Fourth Proportional to 1,404.52, 1,939.07 and 1,248.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.52 : 1,939.07 = 1,248.84 : x
2. Step 2: Convert to fraction form
   1,404.52/1,939.07 = 1,248.84/x
3. Step 3: Cross multiply
   1,404.52x = 1,939.07 × 1,248.84
4. Step 4: Simplify right side
   1,404.52x = 2,421,591.30
5. Step 5: Solve for x
   x = 2,421,591.30/1,404.52
6. Step 6: Final answer
   x = 1,724.14