Finding the Fourth Proportional to 42,021.93, 57,989.48 and 22,901.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,021.93 : 57,989.48 = 22,901.86 : x
2. Step 2: Convert to fraction form
   42,021.93/57,989.48 = 22,901.86/x
3. Step 3: Cross multiply
   42,021.93x = 57,989.48 × 22,901.86
4. Step 4: Simplify right side
   42,021.93x = 1,328,066,952.43
5. Step 5: Solve for x
   x = 1,328,066,952.43/42,021.93
6. Step 6: Final answer
   x = 31,604.14