Finding the Fourth Proportional to 57,007.50, 78,668.01 and 33,133.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,007.50 : 78,668.01 = 33,133.98 : x
2. Step 2: Convert to fraction form
   57,007.50/78,668.01 = 33,133.98/x
3. Step 3: Cross multiply
   57,007.50x = 78,668.01 × 33,133.98
4. Step 4: Simplify right side
   57,007.50x = 2,606,584,269.98
5. Step 5: Solve for x
   x = 2,606,584,269.98/57,007.50
6. Step 6: Final answer
   x = 45,723.53