Finding the Fourth Proportional to 52,829.82, 72,907.02 and 28,956.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,829.82 : 72,907.02 = 28,956.49 : x
2. Step 2: Convert to fraction form
   52,829.82/72,907.02 = 28,956.49/x
3. Step 3: Cross multiply
   52,829.82x = 72,907.02 × 28,956.49
4. Step 4: Simplify right side
   52,829.82x = 2,111,131,213.29
5. Step 5: Solve for x
   x = 2,111,131,213.29/52,829.82
6. Step 6: Final answer
   x = 39,960.98