Finding the Fourth Proportional to 1,172,806.37, 1,618,393.52 and 649,479.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,806.37 : 1,618,393.52 = 649,479.41 : x
2. Step 2: Convert to fraction form
   1,172,806.37/1,618,393.52 = 649,479.41/x
3. Step 3: Cross multiply
   1,172,806.37x = 1,618,393.52 × 649,479.41
4. Step 4: Simplify right side
   1,172,806.37x = 1,051,113,262,049.15
5. Step 5: Solve for x
   x = 1,051,113,262,049.15/1,172,806.37
6. Step 6: Final answer
   x = 896,237.69