Finding the Fourth Proportional to 42,020.37, 57,987.36 and 22,900.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.37 : 57,987.36 = 22,900.31 : x
2. Step 2: Convert to fraction form
   42,020.37/57,987.36 = 22,900.31/x
3. Step 3: Cross multiply
   42,020.37x = 57,987.36 × 22,900.31
4. Step 4: Simplify right side
   42,020.37x = 1,327,928,520.08
5. Step 5: Solve for x
   x = 1,327,928,520.08/42,020.37
6. Step 6: Final answer
   x = 31,602.02