Finding the Fourth Proportional to 42,019.41, 57,985.32 and 22,898.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.41 : 57,985.32 = 22,898.81 : x
2. Step 2: Convert to fraction form
   42,019.41/57,985.32 = 22,898.81/x
3. Step 3: Cross multiply
   42,019.41x = 57,985.32 × 22,898.81
4. Step 4: Simplify right side
   42,019.41x = 1,327,794,535.54
5. Step 5: Solve for x
   x = 1,327,794,535.54/42,019.41
6. Step 6: Final answer
   x = 31,599.55