Finding the Fourth Proportional to 1,087,778.71, 1,501,046.63 and 628,922.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,778.71 : 1,501,046.63 = 628,922.73 : x
2. Step 2: Convert to fraction form
   1,087,778.71/1,501,046.63 = 628,922.73/x
3. Step 3: Cross multiply
   1,087,778.71x = 1,501,046.63 × 628,922.73
4. Step 4: Simplify right side
   1,087,778.71x = 944,042,333,747.05
5. Step 5: Solve for x
   x = 944,042,333,747.05/1,087,778.71
6. Step 6: Final answer
   x = 867,862.48