Finding the Fourth Proportional to 2,612,806.40, 3,919,456 and 1,015,491.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,806.40 : 3,919,456 = 1,015,491.76 : x
2. Step 2: Convert to fraction form
   2,612,806.40/3,919,456 = 1,015,491.76/x
3. Step 3: Cross multiply
   2,612,806.40x = 3,919,456 × 1,015,491.76
4. Step 4: Simplify right side
   2,612,806.40x = 3,980,175,271,682.56
5. Step 5: Solve for x
   x = 3,980,175,271,682.56/2,612,806.40
6. Step 6: Final answer
   x = 1,523,333.41