Finding the Fourth Proportional to 3,912,381.02, 5,868,591.78 and 1,780,974.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912,381.02 : 5,868,591.78 = 1,780,974.56 : x
2. Step 2: Convert to fraction form
   3,912,381.02/5,868,591.78 = 1,780,974.56/x
3. Step 3: Cross multiply
   3,912,381.02x = 5,868,591.78 × 1,780,974.56
4. Step 4: Simplify right side
   3,912,381.02x = 10,451,812,663,205.12
5. Step 5: Solve for x
   x = 10,451,812,663,205.12/3,912,381.02
6. Step 6: Final answer
   x = 2,671,471.06