Finding the Fourth Proportional to 894,956.64, 1,235,016.72 and 487,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   894,956.64 : 1,235,016.72 = 487,066.56 : x
2. Step 2: Convert to fraction form
   894,956.64/1,235,016.72 = 487,066.56/x
3. Step 3: Cross multiply
   894,956.64x = 1,235,016.72 × 487,066.56
4. Step 4: Simplify right side
   894,956.64x = 601,535,345,352.88
5. Step 5: Solve for x
   x = 601,535,345,352.88/894,956.64
6. Step 6: Final answer
   x = 672,139.09