Finding the Fourth Proportional to 2,586,216.48, 3,569,259.12 and 1,424,781.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,216.48 : 3,569,259.12 = 1,424,781.78 : x
2. Step 2: Convert to fraction form
   2,586,216.48/3,569,259.12 = 1,424,781.78/x
3. Step 3: Cross multiply
   2,586,216.48x = 3,569,259.12 × 1,424,781.78
4. Step 4: Simplify right side
   2,586,216.48x = 5,085,415,362,274.83
5. Step 5: Solve for x
   x = 5,085,415,362,274.83/2,586,216.48
6. Step 6: Final answer
   x = 1,966,353.32