Finding the Fourth Proportional to 42,847.23, 59,067.55 and 30,060.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,847.23 : 59,067.55 = 30,060.80 : x
2. Step 2: Convert to fraction form
   42,847.23/59,067.55 = 30,060.80/x
3. Step 3: Cross multiply
   42,847.23x = 59,067.55 × 30,060.80
4. Step 4: Simplify right side
   42,847.23x = 1,775,617,689.20
5. Step 5: Solve for x
   x = 1,775,617,689.20/42,847.23
6. Step 6: Final answer
   x = 41,440.67