Finding the Fourth Proportional to 57,222.60, 78,969.24 and 33,345.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,222.60 : 78,969.24 = 33,345.42 : x
2. Step 2: Convert to fraction form
   57,222.60/78,969.24 = 33,345.42/x
3. Step 3: Cross multiply
   57,222.60x = 78,969.24 × 33,345.42
4. Step 4: Simplify right side
   57,222.60x = 2,633,262,474.88
5. Step 5: Solve for x
   x = 2,633,262,474.88/57,222.60
6. Step 6: Final answer
   x = 46,017.88