Finding the Fourth Proportional to 1,606,196.83, 2,216,664.37 and 917,970.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606,196.83 : 2,216,664.37 = 917,970.49 : x
2. Step 2: Convert to fraction form
   1,606,196.83/2,216,664.37 = 917,970.49/x
3. Step 3: Cross multiply
   1,606,196.83x = 2,216,664.37 × 917,970.49
4. Step 4: Simplify right side
   1,606,196.83x = 2,034,832,470,057.85
5. Step 5: Solve for x
   x = 2,034,832,470,057.85/1,606,196.83
6. Step 6: Final answer
   x = 1,266,863.71