Finding the Fourth Proportional to 42,949.27, 64,444.22 and 20,750.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,949.27 : 64,444.22 = 20,750.18 : x
2. Step 2: Convert to fraction form
   42,949.27/64,444.22 = 20,750.18/x
3. Step 3: Cross multiply
   42,949.27x = 64,444.22 × 20,750.18
4. Step 4: Simplify right side
   42,949.27x = 1,337,229,061.21
5. Step 5: Solve for x
   x = 1,337,229,061.21/42,949.27
6. Step 6: Final answer
   x = 31,135.09