Finding the Fourth Proportional to 42,179.91, 63,301.16 and 19,993.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,179.91 : 63,301.16 = 19,993.33 : x
2. Step 2: Convert to fraction form
   42,179.91/63,301.16 = 19,993.33/x
3. Step 3: Cross multiply
   42,179.91x = 63,301.16 × 19,993.33
4. Step 4: Simplify right side
   42,179.91x = 1,265,601,110.37
5. Step 5: Solve for x
   x = 1,265,601,110.37/42,179.91
6. Step 6: Final answer
   x = 30,004.83