Finding the Fourth Proportional to 52,316.86, 72,196.91 and 28,443.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,316.86 : 72,196.91 = 28,443.53 : x
2. Step 2: Convert to fraction form
   52,316.86/72,196.91 = 28,443.53/x
3. Step 3: Cross multiply
   52,316.86x = 72,196.91 × 28,443.53
4. Step 4: Simplify right side
   52,316.86x = 2,053,534,833.27
5. Step 5: Solve for x
   x = 2,053,534,833.27/52,316.86
6. Step 6: Final answer
   x = 39,251.88