Finding the Fourth Proportional to 52,392.42, 72,301.82 and 28,519.29

Step by Step Solution

1. Step 1: Write the proportion equation
   52,392.42 : 72,301.82 = 28,519.29 : x
2. Step 2: Convert to fraction form
   52,392.42/72,301.82 = 28,519.29/x
3. Step 3: Cross multiply
   52,392.42x = 72,301.82 × 28,519.29
4. Step 4: Simplify right side
   52,392.42x = 2,061,996,429.51
5. Step 5: Solve for x
   x = 2,061,996,429.51/52,392.42
6. Step 6: Final answer
   x = 39,356.77