Finding the Fourth Proportional to 42,019.86, 57,987.41 and 22,899.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.86 : 57,987.41 = 22,899.64 : x
2. Step 2: Convert to fraction form
   42,019.86/57,987.41 = 22,899.64/x
3. Step 3: Cross multiply
   42,019.86x = 57,987.41 × 22,899.64
4. Step 4: Simplify right side
   42,019.86x = 1,327,890,523.60
5. Step 5: Solve for x
   x = 1,327,890,523.60/42,019.86
6. Step 6: Final answer
   x = 31,601.50