Finding the Fourth Proportional to 10,868,165.88, 16,301,249.18 and 3,678,878.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868,165.88 : 16,301,249.18 = 3,678,878.04 : x
2. Step 2: Convert to fraction form
   10,868,165.88/16,301,249.18 = 3,678,878.04/x
3. Step 3: Cross multiply
   10,868,165.88x = 16,301,249.18 × 3,678,878.04
4. Step 4: Simplify right side
   10,868,165.88x = 59,970,307,632,870.01
5. Step 5: Solve for x
   x = 59,970,307,632,870.01/10,868,165.88
6. Step 6: Final answer
   x = 5,517,978.68