Finding the Fourth Proportional to 52,227.40, 72,073.86 and 28,354.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,227.40 : 72,073.86 = 28,354.06 : x
2. Step 2: Convert to fraction form
   52,227.40/72,073.86 = 28,354.06/x
3. Step 3: Cross multiply
   52,227.40x = 72,073.86 × 28,354.06
4. Step 4: Simplify right side
   52,227.40x = 2,043,586,550.87
5. Step 5: Solve for x
   x = 2,043,586,550.87/52,227.40
6. Step 6: Final answer
   x = 39,128.63