Finding the Fourth Proportional to 35,618.61, 49,150.62 and 19,699.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,618.61 : 49,150.62 = 19,699.10 : x
2. Step 2: Convert to fraction form
   35,618.61/49,150.62 = 19,699.10/x
3. Step 3: Cross multiply
   35,618.61x = 49,150.62 × 19,699.10
4. Step 4: Simplify right side
   35,618.61x = 968,222,978.44
5. Step 5: Solve for x
   x = 968,222,978.44/35,618.61
6. Step 6: Final answer
   x = 27,183.06