Finding the Fourth Proportional to 2,810,705.50, 4,216,174.89 and 816,161.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,705.50 : 4,216,174.89 = 816,161.50 : x
2. Step 2: Convert to fraction form
   2,810,705.50/4,216,174.89 = 816,161.50/x
3. Step 3: Cross multiply
   2,810,705.50x = 4,216,174.89 × 816,161.50
4. Step 4: Simplify right side
   2,810,705.50x = 3,441,079,622,484.74
5. Step 5: Solve for x
   x = 3,441,079,622,484.74/2,810,705.50
6. Step 6: Final answer
   x = 1,224,276.12