Finding the Fourth Proportional to 52,841.42, 72,921.17 and 28,967.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,841.42 : 72,921.17 = 28,967.59 : x
2. Step 2: Convert to fraction form
   52,841.42/72,921.17 = 28,967.59/x
3. Step 3: Cross multiply
   52,841.42x = 72,921.17 × 28,967.59
4. Step 4: Simplify right side
   52,841.42x = 2,112,350,554.88
5. Step 5: Solve for x
   x = 2,112,350,554.88/52,841.42
6. Step 6: Final answer
   x = 39,975.28