Finding the Fourth Proportional to 839,499.42, 1,158,540.45 and 476,984.73

Step by Step Solution

1. Step 1: Write the proportion equation
   839,499.42 : 1,158,540.45 = 476,984.73 : x
2. Step 2: Convert to fraction form
   839,499.42/1,158,540.45 = 476,984.73/x
3. Step 3: Cross multiply
   839,499.42x = 1,158,540.45 × 476,984.73
4. Step 4: Simplify right side
   839,499.42x = 552,606,103,737.33
5. Step 5: Solve for x
   x = 552,606,103,737.33/839,499.42
6. Step 6: Final answer
   x = 658,256.68