Finding the Fourth Proportional to 1,456,196.45, 2,009,560.46 and 811,657.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,196.45 : 2,009,560.46 = 811,657.58 : x
2. Step 2: Convert to fraction form
   1,456,196.45/2,009,560.46 = 811,657.58/x
3. Step 3: Cross multiply
   1,456,196.45x = 2,009,560.46 × 811,657.58
4. Step 4: Simplify right side
   1,456,196.45x = 1,631,074,965,721.20
5. Step 5: Solve for x
   x = 1,631,074,965,721.20/1,456,196.45
6. Step 6: Final answer
   x = 1,120,092.67