Finding the Fourth Proportional to 52,942.42, 79,794.17 and 45,635.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,942.42 : 79,794.17 = 45,635.07 : x
2. Step 2: Convert to fraction form
   52,942.42/79,794.17 = 45,635.07/x
3. Step 3: Cross multiply
   52,942.42x = 79,794.17 × 45,635.07
4. Step 4: Simplify right side
   52,942.42x = 3,641,412,305.37
5. Step 5: Solve for x
   x = 3,641,412,305.37/52,942.42
6. Step 6: Final answer
   x = 68,780.62