Finding the Fourth Proportional to 42,020.12, 57,987.01 and 22,900.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.12 : 57,987.01 = 22,900.06 : x
2. Step 2: Convert to fraction form
   42,020.12/57,987.01 = 22,900.06/x
3. Step 3: Cross multiply
   42,020.12x = 57,987.01 × 22,900.06
4. Step 4: Simplify right side
   42,020.12x = 1,327,906,008.22
5. Step 5: Solve for x
   x = 1,327,906,008.22/42,020.12
6. Step 6: Final answer
   x = 31,601.67