Finding the Fourth Proportional to 1,087,685.72, 1,501,045.49 and 628,944.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,685.72 : 1,501,045.49 = 628,944.24 : x
2. Step 2: Convert to fraction form
   1,087,685.72/1,501,045.49 = 628,944.24/x
3. Step 3: Cross multiply
   1,087,685.72x = 1,501,045.49 × 628,944.24
4. Step 4: Simplify right side
   1,087,685.72x = 944,073,922,114.76
5. Step 5: Solve for x
   x = 944,073,922,114.76/1,087,685.72
6. Step 6: Final answer
   x = 867,965.72