Finding the Fourth Proportional to 821,678.52, 1,133,908.56 and 459,164.82

Step by Step Solution

1. Step 1: Write the proportion equation
   821,678.52 : 1,133,908.56 = 459,164.82 : x
2. Step 2: Convert to fraction form
   821,678.52/1,133,908.56 = 459,164.82/x
3. Step 3: Cross multiply
   821,678.52x = 1,133,908.56 × 459,164.82
4. Step 4: Simplify right side
   821,678.52x = 520,650,919,848.86
5. Step 5: Solve for x
   x = 520,650,919,848.86/821,678.52
6. Step 6: Final answer
   x = 633,643.09