Finding the Fourth Proportional to 57,886.73, 79,885.89 and 33,685.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,886.73 : 79,885.89 = 33,685.76 : x
2. Step 2: Convert to fraction form
   57,886.73/79,885.89 = 33,685.76/x
3. Step 3: Cross multiply
   57,886.73x = 79,885.89 × 33,685.76
4. Step 4: Simplify right side
   57,886.73x = 2,691,016,518.50
5. Step 5: Solve for x
   x = 2,691,016,518.50/57,886.73
6. Step 6: Final answer
   x = 46,487.62