Finding the Fourth Proportional to 166,648.52, 229,974.94 and 91,197

Step by Step Solution

1. Step 1: Write the proportion equation
   166,648.52 : 229,974.94 = 91,197 : x
2. Step 2: Convert to fraction form
   166,648.52/229,974.94 = 91,197/x
3. Step 3: Cross multiply
   166,648.52x = 229,974.94 × 91,197
4. Step 4: Simplify right side
   166,648.52x = 20,973,024,603.18
5. Step 5: Solve for x
   x = 20,973,024,603.18/166,648.52
6. Step 6: Final answer
   x = 125,851.85