Finding the Fourth Proportional to 42,754.72, 64,131.36 and 15,052

Step by Step Solution

1. Step 1: Write the proportion equation
   42,754.72 : 64,131.36 = 15,052 : x
2. Step 2: Convert to fraction form
   42,754.72/64,131.36 = 15,052/x
3. Step 3: Cross multiply
   42,754.72x = 64,131.36 × 15,052
4. Step 4: Simplify right side
   42,754.72x = 965,305,230.72
5. Step 5: Solve for x
   x = 965,305,230.72/42,754.72
6. Step 6: Final answer
   x = 22,577.75