Finding the Fourth Proportional to 891,892.86, 1,230,805.71 and 483,984.42

Step by Step Solution

1. Step 1: Write the proportion equation
   891,892.86 : 1,230,805.71 = 483,984.42 : x
2. Step 2: Convert to fraction form
   891,892.86/1,230,805.71 = 483,984.42/x
3. Step 3: Cross multiply
   891,892.86x = 1,230,805.71 × 483,984.42
4. Step 4: Simplify right side
   891,892.86x = 595,690,787,687.04
5. Step 5: Solve for x
   x = 595,690,787,687.04/891,892.86
6. Step 6: Final answer
   x = 667,895.01