Finding the Fourth Proportional to 52,942.38, 79,388.42 and 30,762.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,942.38 : 79,388.42 = 30,762.15 : x
2. Step 2: Convert to fraction form
   52,942.38/79,388.42 = 30,762.15/x
3. Step 3: Cross multiply
   52,942.38x = 79,388.42 × 30,762.15
4. Step 4: Simplify right side
   52,942.38x = 2,442,158,330.49
5. Step 5: Solve for x
   x = 2,442,158,330.49/52,942.38
6. Step 6: Final answer
   x = 46,128.61