Finding the Fourth Proportional to 1,644,071.16, 2,467,506.42 and 647,499

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,071.16 : 2,467,506.42 = 647,499 : x
2. Step 2: Convert to fraction form
   1,644,071.16/2,467,506.42 = 647,499/x
3. Step 3: Cross multiply
   1,644,071.16x = 2,467,506.42 × 647,499
4. Step 4: Simplify right side
   1,644,071.16x = 1,597,707,939,443.58
5. Step 5: Solve for x
   x = 1,597,707,939,443.58/1,644,071.16
6. Step 6: Final answer
   x = 971,799.75