Finding the Fourth Proportional to 52,200.06, 72,036.28 and 28,326.73

Step by Step Solution

1. Step 1: Write the proportion equation
   52,200.06 : 72,036.28 = 28,326.73 : x
2. Step 2: Convert to fraction form
   52,200.06/72,036.28 = 28,326.73/x
3. Step 3: Cross multiply
   52,200.06x = 72,036.28 × 28,326.73
4. Step 4: Simplify right side
   52,200.06x = 2,040,552,164.48
5. Step 5: Solve for x
   x = 2,040,552,164.48/52,200.06
6. Step 6: Final answer
   x = 39,090.99