Finding the Fourth Proportional to 2,961,477.77, 4,442,487.76 and 831,547.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961,477.77 : 4,442,487.76 = 831,547.54 : x
2. Step 2: Convert to fraction form
   2,961,477.77/4,442,487.76 = 831,547.54/x
3. Step 3: Cross multiply
   2,961,477.77x = 4,442,487.76 × 831,547.54
4. Step 4: Simplify right side
   2,961,477.77x = 3,694,139,755,123.02
5. Step 5: Solve for x
   x = 3,694,139,755,123.02/2,961,477.77
6. Step 6: Final answer
   x = 1,247,397.43