Finding the Fourth Proportional to 2,612,990.22, 3,919,483.52 and 816,027.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,990.22 : 3,919,483.52 = 816,027.69 : x
2. Step 2: Convert to fraction form
   2,612,990.22/3,919,483.52 = 816,027.69/x
3. Step 3: Cross multiply
   2,612,990.22x = 3,919,483.52 × 816,027.69
4. Step 4: Simplify right side
   2,612,990.22x = 3,198,407,082,818.67
5. Step 5: Solve for x
   x = 3,198,407,082,818.67/2,612,990.22
6. Step 6: Final answer
   x = 1,224,040.97