Finding the Fourth Proportional to 2,586,706.86, 3,569,484.69 and 1,553,600.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,706.86 : 3,569,484.69 = 1,553,600.78 : x
2. Step 2: Convert to fraction form
   2,586,706.86/3,569,484.69 = 1,553,600.78/x
3. Step 3: Cross multiply
   2,586,706.86x = 3,569,484.69 × 1,553,600.78
4. Step 4: Simplify right side
   2,586,706.86x = 5,545,554,198,582.06
5. Step 5: Solve for x
   x = 5,545,554,198,582.06/2,586,706.86
6. Step 6: Final answer
   x = 2,143,866.51