Finding the Fourth Proportional to 726,055.10, 1,087,009.05 and 446,119.10

Step by Step Solution

1. Step 1: Write the proportion equation
   726,055.10 : 1,087,009.05 = 446,119.10 : x
2. Step 2: Convert to fraction form
   726,055.10/1,087,009.05 = 446,119.10/x
3. Step 3: Cross multiply
   726,055.10x = 1,087,009.05 × 446,119.10
4. Step 4: Simplify right side
   726,055.10x = 484,935,499,077.86
5. Step 5: Solve for x
   x = 484,935,499,077.86/726,055.10
6. Step 6: Final answer
   x = 667,904.54