Finding the Fourth Proportional to 52,825.05, 72,900.42 and 28,951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,825.05 : 72,900.42 = 28,951.72 : x
2. Step 2: Convert to fraction form
   52,825.05/72,900.42 = 28,951.72/x
3. Step 3: Cross multiply
   52,825.05x = 72,900.42 × 28,951.72
4. Step 4: Simplify right side
   52,825.05x = 2,110,592,256.90
5. Step 5: Solve for x
   x = 2,110,592,256.90/52,825.05
6. Step 6: Final answer
   x = 39,954.38