Finding the Fourth Proportional to 49,078.34, 67,719.94 and 28,932.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,078.34 : 67,719.94 = 28,932.42 : x
2. Step 2: Convert to fraction form
   49,078.34/67,719.94 = 28,932.42/x
3. Step 3: Cross multiply
   49,078.34x = 67,719.94 × 28,932.42
4. Step 4: Simplify right side
   49,078.34x = 1,959,301,746.45
5. Step 5: Solve for x
   x = 1,959,301,746.45/49,078.34
6. Step 6: Final answer
   x = 39,921.92