Finding the Fourth Proportional to 213,648.78, 294,823.31 and 116,833.42

Step by Step Solution

1. Step 1: Write the proportion equation
   213,648.78 : 294,823.31 = 116,833.42 : x
2. Step 2: Convert to fraction form
   213,648.78/294,823.31 = 116,833.42/x
3. Step 3: Cross multiply
   213,648.78x = 294,823.31 × 116,833.42
4. Step 4: Simplify right side
   213,648.78x = 34,445,215,603.02
5. Step 5: Solve for x
   x = 34,445,215,603.02/213,648.78
6. Step 6: Final answer
   x = 161,223.55