Finding the Fourth Proportional to 42,849.12, 64,273.71 and 14,777.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,849.12 : 64,273.71 = 14,777.22 : x
2. Step 2: Convert to fraction form
   42,849.12/64,273.71 = 14,777.22/x
3. Step 3: Cross multiply
   42,849.12x = 64,273.71 × 14,777.22
4. Step 4: Simplify right side
   42,849.12x = 949,786,752.89
5. Step 5: Solve for x
   x = 949,786,752.89/42,849.12
6. Step 6: Final answer
   x = 22,165.84