Finding the Fourth Proportional to 57,016.62, 78,695.42 and 33,157.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,016.62 : 78,695.42 = 33,157.06 : x
2. Step 2: Convert to fraction form
   57,016.62/78,695.42 = 33,157.06/x
3. Step 3: Cross multiply
   57,016.62x = 78,695.42 × 33,157.06
4. Step 4: Simplify right side
   57,016.62x = 2,609,308,648.82
5. Step 5: Solve for x
   x = 2,609,308,648.82/57,016.62
6. Step 6: Final answer
   x = 45,764.00