Finding the Fourth Proportional to 52,227.32, 72,074.22 and 28,354.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,227.32 : 72,074.22 = 28,354.20 : x
2. Step 2: Convert to fraction form
   52,227.32/72,074.22 = 28,354.20/x
3. Step 3: Cross multiply
   52,227.32x = 72,074.22 × 28,354.20
4. Step 4: Simplify right side
   52,227.32x = 2,043,606,848.72
5. Step 5: Solve for x
   x = 2,043,606,848.72/52,227.32
6. Step 6: Final answer
   x = 39,129.08