Finding the Fourth Proportional to 79,019.83, 118,510 and 30,998.19

Step by Step Solution

1. Step 1: Write the proportion equation
   79,019.83 : 118,510 = 30,998.19 : x
2. Step 2: Convert to fraction form
   79,019.83/118,510 = 30,998.19/x
3. Step 3: Cross multiply
   79,019.83x = 118,510 × 30,998.19
4. Step 4: Simplify right side
   79,019.83x = 3,673,595,496.90
5. Step 5: Solve for x
   x = 3,673,595,496.90/79,019.83
6. Step 6: Final answer
   x = 46,489.54