Finding the Fourth Proportional to 52,854.32, 72,939.48 and 30,494

Step by Step Solution

1. Step 1: Write the proportion equation
   52,854.32 : 72,939.48 = 30,494 : x
2. Step 2: Convert to fraction form
   52,854.32/72,939.48 = 30,494/x
3. Step 3: Cross multiply
   52,854.32x = 72,939.48 × 30,494
4. Step 4: Simplify right side
   52,854.32x = 2,224,216,503.12
5. Step 5: Solve for x
   x = 2,224,216,503.12/52,854.32
6. Step 6: Final answer
   x = 42,082.02