Finding the Fourth Proportional to 57,775.50, 79,730.72 and 33,902.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,775.50 : 79,730.72 = 33,902.57 : x
2. Step 2: Convert to fraction form
   57,775.50/79,730.72 = 33,902.57/x
3. Step 3: Cross multiply
   57,775.50x = 79,730.72 × 33,902.57
4. Step 4: Simplify right side
   57,775.50x = 2,703,075,747.78
5. Step 5: Solve for x
   x = 2,703,075,747.78/57,775.50
6. Step 6: Final answer
   x = 46,785.85