Finding the Fourth Proportional to 2,191,382.56, 3,024,049.90 and 1,224,520.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,382.56 : 3,024,049.90 = 1,224,520.80 : x
2. Step 2: Convert to fraction form
   2,191,382.56/3,024,049.90 = 1,224,520.80/x
3. Step 3: Cross multiply
   2,191,382.56x = 3,024,049.90 × 1,224,520.80
4. Step 4: Simplify right side
   2,191,382.56x = 3,703,012,002,787.92
5. Step 5: Solve for x
   x = 3,703,012,002,787.92/2,191,382.56
6. Step 6: Final answer
   x = 1,689,806.28