Finding the Fourth Proportional to 166,647.52, 229,973.56 and 91,196

Step by Step Solution

1. Step 1: Write the proportion equation
   166,647.52 : 229,973.56 = 91,196 : x
2. Step 2: Convert to fraction form
   166,647.52/229,973.56 = 91,196/x
3. Step 3: Cross multiply
   166,647.52x = 229,973.56 × 91,196
4. Step 4: Simplify right side
   166,647.52x = 20,972,668,777.76
5. Step 5: Solve for x
   x = 20,972,668,777.76/166,647.52
6. Step 6: Final answer
   x = 125,850.47