Finding the Fourth Proportional to 827,616.72, 1,142,074.64 and 483,484.52

Step by Step Solution

1. Step 1: Write the proportion equation
   827,616.72 : 1,142,074.64 = 483,484.52 : x
2. Step 2: Convert to fraction form
   827,616.72/1,142,074.64 = 483,484.52/x
3. Step 3: Cross multiply
   827,616.72x = 1,142,074.64 × 483,484.52
4. Step 4: Simplify right side
   827,616.72x = 552,175,400,996.78
5. Step 5: Solve for x
   x = 552,175,400,996.78/827,616.72
6. Step 6: Final answer
   x = 667,187.34