Finding the Fourth Proportional to 52,227.32, 72,073.76 and 28,354.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,227.32 : 72,073.76 = 28,354.01 : x
2. Step 2: Convert to fraction form
   52,227.32/72,073.76 = 28,354.01/x
3. Step 3: Cross multiply
   52,227.32x = 72,073.76 × 28,354.01
4. Step 4: Simplify right side
   52,227.32x = 2,043,579,609.64
5. Step 5: Solve for x
   x = 2,043,579,609.64/52,227.32
6. Step 6: Final answer
   x = 39,128.56