Finding the Fourth Proportional to 726,820.32, 1,090,589.04 and 327,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   726,820.32 : 1,090,589.04 = 327,738.72 : x
2. Step 2: Convert to fraction form
   726,820.32/1,090,589.04 = 327,738.72/x
3. Step 3: Cross multiply
   726,820.32x = 1,090,589.04 × 327,738.72
4. Step 4: Simplify right side
   726,820.32x = 357,428,256,015.63
5. Step 5: Solve for x
   x = 357,428,256,015.63/726,820.32
6. Step 6: Final answer
   x = 491,769.76