Finding the Fourth Proportional to 52,912.72, 73,019.47 and 29,039.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,912.72 : 73,019.47 = 29,039.59 : x
2. Step 2: Convert to fraction form
   52,912.72/73,019.47 = 29,039.59/x
3. Step 3: Cross multiply
   52,912.72x = 73,019.47 × 29,039.59
4. Step 4: Simplify right side
   52,912.72x = 2,120,455,470.82
5. Step 5: Solve for x
   x = 2,120,455,470.82/52,912.72
6. Step 6: Final answer
   x = 40,074.59