Finding the Fourth Proportional to 2,153,105.10, 3,229,074.45 and 636,785.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,105.10 : 3,229,074.45 = 636,785.10 : x
2. Step 2: Convert to fraction form
   2,153,105.10/3,229,074.45 = 636,785.10/x
3. Step 3: Cross multiply
   2,153,105.10x = 3,229,074.45 × 636,785.10
4. Step 4: Simplify right side
   2,153,105.10x = 2,056,226,496,550.70
5. Step 5: Solve for x
   x = 2,056,226,496,550.70/2,153,105.10
6. Step 6: Final answer
   x = 955,005.17