Finding the Fourth Proportional to 3,010,989.50, 4,517,371.47 and 1,212,947.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,010,989.50 : 4,517,371.47 = 1,212,947.72 : x
2. Step 2: Convert to fraction form
   3,010,989.50/4,517,371.47 = 1,212,947.72/x
3. Step 3: Cross multiply
   3,010,989.50x = 4,517,371.47 × 1,212,947.72
4. Step 4: Simplify right side
   3,010,989.50x = 5,479,335,424,929.55
5. Step 5: Solve for x
   x = 5,479,335,424,929.55/3,010,989.50
6. Step 6: Final answer
   x = 1,819,778.99