Finding the Fourth Proportional to 3,219,885.72, 4,829,779.38 and 823,710.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,219,885.72 : 4,829,779.38 = 823,710.12 : x
2. Step 2: Convert to fraction form
   3,219,885.72/4,829,779.38 = 823,710.12/x
3. Step 3: Cross multiply
   3,219,885.72x = 4,829,779.38 × 823,710.12
4. Step 4: Simplify right side
   3,219,885.72x = 3,978,338,152,673.33
5. Step 5: Solve for x
   x = 3,978,338,152,673.33/3,219,885.72
6. Step 6: Final answer
   x = 1,235,552.59