Finding the Fourth Proportional to 57,736.44, 79,689.60 and 33,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   57,736.44 : 79,689.60 = 33,870.78 : x
2. Step 2: Convert to fraction form
   57,736.44/79,689.60 = 33,870.78/x
3. Step 3: Cross multiply
   57,736.44x = 79,689.60 × 33,870.78
4. Step 4: Simplify right side
   57,736.44x = 2,699,148,909.89
5. Step 5: Solve for x
   x = 2,699,148,909.89/57,736.44
6. Step 6: Final answer
   x = 46,749.49