Finding the Fourth Proportional to 49,468.30, 74,238.90 and 30,775.83

Step by Step Solution

1. Step 1: Write the proportion equation
   49,468.30 : 74,238.90 = 30,775.83 : x
2. Step 2: Convert to fraction form
   49,468.30/74,238.90 = 30,775.83/x
3. Step 3: Cross multiply
   49,468.30x = 74,238.90 × 30,775.83
4. Step 4: Simplify right side
   49,468.30x = 2,284,763,765.79
5. Step 5: Solve for x
   x = 2,284,763,765.79/49,468.30
6. Step 6: Final answer
   x = 46,186.42