Finding the Fourth Proportional to 52,297.43, 72,171.18 and 28,424.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,297.43 : 72,171.18 = 28,424.09 : x
2. Step 2: Convert to fraction form
   52,297.43/72,171.18 = 28,424.09/x
3. Step 3: Cross multiply
   52,297.43x = 72,171.18 × 28,424.09
4. Step 4: Simplify right side
   52,297.43x = 2,051,400,296.15
5. Step 5: Solve for x
   x = 2,051,400,296.15/52,297.43
6. Step 6: Final answer
   x = 39,225.65