Finding the Fourth Proportional to 12,236,456.46, 18,338,150.52 and 4,659,288.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,236,456.46 : 18,338,150.52 = 4,659,288.78 : x
2. Step 2: Convert to fraction form
   12,236,456.46/18,338,150.52 = 4,659,288.78/x
3. Step 3: Cross multiply
   12,236,456.46x = 18,338,150.52 × 4,659,288.78
4. Step 4: Simplify right side
   12,236,456.46x = 85,442,739,032,555.23
5. Step 5: Solve for x
   x = 85,442,739,032,555.23/12,236,456.46
6. Step 6: Final answer
   x = 6,982,637.44