Finding the Fourth Proportional to 42,019.43, 57,986.03 and 22,899.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.43 : 57,986.03 = 22,899.35 : x
2. Step 2: Convert to fraction form
   42,019.43/57,986.03 = 22,899.35/x
3. Step 3: Cross multiply
   42,019.43x = 57,986.03 × 22,899.35
4. Step 4: Simplify right side
   42,019.43x = 1,327,842,598.29
5. Step 5: Solve for x
   x = 1,327,842,598.29/42,019.43
6. Step 6: Final answer
   x = 31,600.68