Finding the Fourth Proportional to 1,185,559, 1,636,071.50 and 649,015

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,559 : 1,636,071.50 = 649,015 : x
2. Step 2: Convert to fraction form
   1,185,559/1,636,071.50 = 649,015/x
3. Step 3: Cross multiply
   1,185,559x = 1,636,071.50 × 649,015
4. Step 4: Simplify right side
   1,185,559x = 1,061,834,944,572.50
5. Step 5: Solve for x
   x = 1,061,834,944,572.50/1,185,559
6. Step 6: Final answer
   x = 895,640.74