Finding the Fourth Proportional to 28,196.38, 42,212.34 and 24,436.78

Step by Step Solution

1. Step 1: Write the proportion equation
   28,196.38 : 42,212.34 = 24,436.78 : x
2. Step 2: Convert to fraction form
   28,196.38/42,212.34 = 24,436.78/x
3. Step 3: Cross multiply
   28,196.38x = 42,212.34 × 24,436.78
4. Step 4: Simplify right side
   28,196.38x = 1,031,533,665.87
5. Step 5: Solve for x
   x = 1,031,533,665.87/28,196.38
6. Step 6: Final answer
   x = 36,583.90