Finding the Fourth Proportional to 81,760.38, 112,830.30 and 49,494.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,760.38 : 112,830.30 = 49,494.54 : x
2. Step 2: Convert to fraction form
   81,760.38/112,830.30 = 49,494.54/x
3. Step 3: Cross multiply
   81,760.38x = 112,830.30 × 49,494.54
4. Step 4: Simplify right side
   81,760.38x = 5,584,483,796.56
5. Step 5: Solve for x
   x = 5,584,483,796.56/81,760.38
6. Step 6: Final answer
   x = 68,303.06