Finding the Fourth Proportional to 52,164.76, 71,987.69 and 28,291.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,164.76 : 71,987.69 = 28,291.38 : x
2. Step 2: Convert to fraction form
   52,164.76/71,987.69 = 28,291.38/x
3. Step 3: Cross multiply
   52,164.76x = 71,987.69 × 28,291.38
4. Step 4: Simplify right side
   52,164.76x = 2,036,630,734.75
5. Step 5: Solve for x
   x = 2,036,630,734.75/52,164.76
6. Step 6: Final answer
   x = 39,042.27