Finding the Fourth Proportional to 3,997,721.98, 5,516,863.59 and 2,186,885.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997,721.98 : 5,516,863.59 = 2,186,885.98 : x
2. Step 2: Convert to fraction form
   3,997,721.98/5,516,863.59 = 2,186,885.98/x
3. Step 3: Cross multiply
   3,997,721.98x = 5,516,863.59 × 2,186,885.98
4. Step 4: Simplify right side
   3,997,721.98x = 12,064,751,638,543.47
5. Step 5: Solve for x
   x = 12,064,751,638,543.47/3,997,721.98
6. Step 6: Final answer
   x = 3,017,906.62