Finding the Fourth Proportional to 1,146,086.96, 1,581,600.33 and 636,789.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,086.96 : 1,581,600.33 = 636,789.33 : x
2. Step 2: Convert to fraction form
   1,146,086.96/1,581,600.33 = 636,789.33/x
3. Step 3: Cross multiply
   1,146,086.96x = 1,581,600.33 × 636,789.33
4. Step 4: Simplify right side
   1,146,086.96x = 1,007,146,214,468.48
5. Step 5: Solve for x
   x = 1,007,146,214,468.48/1,146,086.96
6. Step 6: Final answer
   x = 878,769.46