Finding the Fourth Proportional to 57,429.34, 79,234.68 and 33,538.78

Step by Step Solution

1. Step 1: Write the proportion equation
   57,429.34 : 79,234.68 = 33,538.78 : x
2. Step 2: Convert to fraction form
   57,429.34/79,234.68 = 33,538.78/x
3. Step 3: Cross multiply
   57,429.34x = 79,234.68 × 33,538.78
4. Step 4: Simplify right side
   57,429.34x = 2,657,434,500.89
5. Step 5: Solve for x
   x = 2,657,434,500.89/57,429.34
6. Step 6: Final answer
   x = 46,273.12