Finding the Fourth Proportional to 726,713.42, 1,090,314.63 and 321,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   726,713.42 : 1,090,314.63 = 321,849.50 : x
2. Step 2: Convert to fraction form
   726,713.42/1,090,314.63 = 321,849.50/x
3. Step 3: Cross multiply
   726,713.42x = 1,090,314.63 × 321,849.50
4. Step 4: Simplify right side
   726,713.42x = 350,917,213,056.61
5. Step 5: Solve for x
   x = 350,917,213,056.61/726,713.42
6. Step 6: Final answer
   x = 482,882.53