Finding the Fourth Proportional to 1,452,978.63, 2,179,799.63 and 442,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452,978.63 : 2,179,799.63 = 442,243.82 : x
2. Step 2: Convert to fraction form
   1,452,978.63/2,179,799.63 = 442,243.82/x
3. Step 3: Cross multiply
   1,452,978.63x = 2,179,799.63 × 442,243.82
4. Step 4: Simplify right side
   1,452,978.63x = 964,002,915,205.79
5. Step 5: Solve for x
   x = 964,002,915,205.79/1,452,978.63
6. Step 6: Final answer
   x = 663,466.69