Finding the Fourth Proportional to 1,152,843.04, 1,729,269.63 and 478,923.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,843.04 : 1,729,269.63 = 478,923.79 : x
2. Step 2: Convert to fraction form
   1,152,843.04/1,729,269.63 = 478,923.79/x
3. Step 3: Cross multiply
   1,152,843.04x = 1,729,269.63 × 478,923.79
4. Step 4: Simplify right side
   1,152,843.04x = 828,188,365,131.50
5. Step 5: Solve for x
   x = 828,188,365,131.50/1,152,843.04
6. Step 6: Final answer
   x = 718,387.79