Finding the Fourth Proportional to 52,628.72, 72,626.40 and 28,755.44

Step by Step Solution

1. Step 1: Write the proportion equation
   52,628.72 : 72,626.40 = 28,755.44 : x
2. Step 2: Convert to fraction form
   52,628.72/72,626.40 = 28,755.44/x
3. Step 3: Cross multiply
   52,628.72x = 72,626.40 × 28,755.44
4. Step 4: Simplify right side
   52,628.72x = 2,088,404,087.62
5. Step 5: Solve for x
   x = 2,088,404,087.62/52,628.72
6. Step 6: Final answer
   x = 39,681.83