Finding the Fourth Proportional to 52,879.50, 72,973.71 and 30,523.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,879.50 : 72,973.71 = 30,523.50 : x
2. Step 2: Convert to fraction form
   52,879.50/72,973.71 = 30,523.50/x
3. Step 3: Cross multiply
   52,879.50x = 72,973.71 × 30,523.50
4. Step 4: Simplify right side
   52,879.50x = 2,227,413,037.19
5. Step 5: Solve for x
   x = 2,227,413,037.19/52,879.50
6. Step 6: Final answer
   x = 42,122.43