Finding the Fourth Proportional to 52,196.96, 72,031.72 and 28,323.64

Step by Step Solution

1. Step 1: Write the proportion equation
   52,196.96 : 72,031.72 = 28,323.64 : x
2. Step 2: Convert to fraction form
   52,196.96/72,031.72 = 28,323.64/x
3. Step 3: Cross multiply
   52,196.96x = 72,031.72 × 28,323.64
4. Step 4: Simplify right side
   52,196.96x = 2,040,200,505.86
5. Step 5: Solve for x
   x = 2,040,200,505.86/52,196.96
6. Step 6: Final answer
   x = 39,086.58