Finding the Fourth Proportional to 3,994,336.82, 5,989,008.78 and 1,687,644.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,336.82 : 5,989,008.78 = 1,687,644.02 : x
2. Step 2: Convert to fraction form
   3,994,336.82/5,989,008.78 = 1,687,644.02/x
3. Step 3: Cross multiply
   3,994,336.82x = 5,989,008.78 × 1,687,644.02
4. Step 4: Simplify right side
   3,994,336.82x = 10,107,314,868,267.02
5. Step 5: Solve for x
   x = 10,107,314,868,267.02/3,994,336.82
6. Step 6: Final answer
   x = 2,530,411.26