Finding the Fourth Proportional to 1,728,648.30, 2,592,951.59 and 449,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,648.30 : 2,592,951.59 = 449,142.56 : x
2. Step 2: Convert to fraction form
   1,728,648.30/2,592,951.59 = 449,142.56/x
3. Step 3: Cross multiply
   1,728,648.30x = 2,592,951.59 × 449,142.56
4. Step 4: Simplify right side
   1,728,648.30x = 1,164,604,903,246.77
5. Step 5: Solve for x
   x = 1,164,604,903,246.77/1,728,648.30
6. Step 6: Final answer
   x = 673,708.41