Finding the Fourth Proportional to 2,586,391.65, 3,569,499.57 and 1,424,956.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,391.65 : 3,569,499.57 = 1,424,956.59 : x
2. Step 2: Convert to fraction form
   2,586,391.65/3,569,499.57 = 1,424,956.59/x
3. Step 3: Cross multiply
   2,586,391.65x = 3,569,499.57 × 1,424,956.59
4. Step 4: Simplify right side
   2,586,391.65x = 5,086,381,935,273.67
5. Step 5: Solve for x
   x = 5,086,381,935,273.67/2,586,391.65
6. Step 6: Final answer
   x = 1,966,593.86