Finding the Fourth Proportional to 52,316.95, 72,196.60 and 28,443.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,316.95 : 72,196.60 = 28,443.42 : x
2. Step 2: Convert to fraction form
   52,316.95/72,196.60 = 28,443.42/x
3. Step 3: Cross multiply
   52,316.95x = 72,196.60 × 28,443.42
4. Step 4: Simplify right side
   52,316.95x = 2,053,518,216.37
5. Step 5: Solve for x
   x = 2,053,518,216.37/52,316.95
6. Step 6: Final answer
   x = 39,251.49