Finding the Fourth Proportional to 52,298.09, 72,171.47 and 28,424.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.09 : 72,171.47 = 28,424.71 : x
2. Step 2: Convert to fraction form
   52,298.09/72,171.47 = 28,424.71/x
3. Step 3: Cross multiply
   52,298.09x = 72,171.47 × 28,424.71
4. Step 4: Simplify right side
   52,298.09x = 2,051,453,105.02
5. Step 5: Solve for x
   x = 2,051,453,105.02/52,298.09
6. Step 6: Final answer
   x = 39,226.16