Finding the Fourth Proportional to 52,717.86, 72,749.40 and 28,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,717.86 : 72,749.40 = 28,844.72 : x
2. Step 2: Convert to fraction form
   52,717.86/72,749.40 = 28,844.72/x
3. Step 3: Cross multiply
   52,717.86x = 72,749.40 × 28,844.72
4. Step 4: Simplify right side
   52,717.86x = 2,098,436,073.17
5. Step 5: Solve for x
   x = 2,098,436,073.17/52,717.86
6. Step 6: Final answer
   x = 39,805.03