Finding the Fourth Proportional to 1,300,063.30, 1,949,713.58 and 489,863.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,063.30 : 1,949,713.58 = 489,863.19 : x
2. Step 2: Convert to fraction form
   1,300,063.30/1,949,713.58 = 489,863.19/x
3. Step 3: Cross multiply
   1,300,063.30x = 1,949,713.58 × 489,863.19
4. Step 4: Simplify right side
   1,300,063.30x = 955,092,915,109.78
5. Step 5: Solve for x
   x = 955,092,915,109.78/1,300,063.30
6. Step 6: Final answer
   x = 734,651.09