Finding the Fourth Proportional to 839,483.83, 1,158,483.30 and 457,507.27

Step by Step Solution

1. Step 1: Write the proportion equation
   839,483.83 : 1,158,483.30 = 457,507.27 : x
2. Step 2: Convert to fraction form
   839,483.83/1,158,483.30 = 457,507.27/x
3. Step 3: Cross multiply
   839,483.83x = 1,158,483.30 × 457,507.27
4. Step 4: Simplify right side
   839,483.83x = 530,014,531,656.04
5. Step 5: Solve for x
   x = 530,014,531,656.04/839,483.83
6. Step 6: Final answer
   x = 631,357.64