Finding the Fourth Proportional to 3,642,593, 5,022,105.42 and 2,986,802.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,593 : 5,022,105.42 = 2,986,802.90 : x
2. Step 2: Convert to fraction form
   3,642,593/5,022,105.42 = 2,986,802.90/x
3. Step 3: Cross multiply
   3,642,593x = 5,022,105.42 × 2,986,802.90
4. Step 4: Simplify right side
   3,642,593x = 15,000,039,032,561.72
5. Step 5: Solve for x
   x = 15,000,039,032,561.72/3,642,593
6. Step 6: Final answer
   x = 4,117,956.37