Finding the Fourth Proportional to 39,532.72, 54,462.78 and 27,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,532.72 : 54,462.78 = 27,574.72 : x
2. Step 2: Convert to fraction form
   39,532.72/54,462.78 = 27,574.72/x
3. Step 3: Cross multiply
   39,532.72x = 54,462.78 × 27,574.72
4. Step 4: Simplify right side
   39,532.72x = 1,501,795,908.92
5. Step 5: Solve for x
   x = 1,501,795,908.92/39,532.72
6. Step 6: Final answer
   x = 37,988.68