Finding the Fourth Proportional to 2,961,478.53, 4,442,488.89 and 831,548.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961,478.53 : 4,442,488.89 = 831,548.29 : x
2. Step 2: Convert to fraction form
   2,961,478.53/4,442,488.89 = 831,548.29/x
3. Step 3: Cross multiply
   2,961,478.53x = 4,442,488.89 × 831,548.29
4. Step 4: Simplify right side
   2,961,478.53x = 3,694,144,035,665.76
5. Step 5: Solve for x
   x = 3,694,144,035,665.76/2,961,478.53
6. Step 6: Final answer
   x = 1,247,398.56