Finding the Fourth Proportional to 1,185,584, 1,636,106 and 649,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,584 : 1,636,106 = 649,040 : x
2. Step 2: Convert to fraction form
   1,185,584/1,636,106 = 649,040/x
3. Step 3: Cross multiply
   1,185,584x = 1,636,106 × 649,040
4. Step 4: Simplify right side
   1,185,584x = 1,061,898,238,240
5. Step 5: Solve for x
   x = 1,061,898,238,240/1,185,584
6. Step 6: Final answer
   x = 895,675.24