Finding the Fourth Proportional to 2,628,941.30, 3,944,110.59 and 831,856.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,941.30 : 3,944,110.59 = 831,856.70 : x
2. Step 2: Convert to fraction form
   2,628,941.30/3,944,110.59 = 831,856.70/x
3. Step 3: Cross multiply
   2,628,941.30x = 3,944,110.59 × 831,856.70
4. Step 4: Simplify right side
   2,628,941.30x = 3,280,934,819,832.45
5. Step 5: Solve for x
   x = 3,280,934,819,832.45/2,628,941.30
6. Step 6: Final answer
   x = 1,248,006.12