Finding the Fourth Proportional to 42,857.02, 64,289.76 and 14,773.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857.02 : 64,289.76 = 14,773.37 : x
2. Step 2: Convert to fraction form
   42,857.02/64,289.76 = 14,773.37/x
3. Step 3: Cross multiply
   42,857.02x = 64,289.76 × 14,773.37
4. Step 4: Simplify right side
   42,857.02x = 949,776,498.55
5. Step 5: Solve for x
   x = 949,776,498.55/42,857.02
6. Step 6: Final answer
   x = 22,161.52