Finding the Fourth Proportional to 166,499.88, 229,770.58 and 91,048.28

Step by Step Solution

1. Step 1: Write the proportion equation
   166,499.88 : 229,770.58 = 91,048.28 : x
2. Step 2: Convert to fraction form
   166,499.88/229,770.58 = 91,048.28/x
3. Step 3: Cross multiply
   166,499.88x = 229,770.58 × 91,048.28
4. Step 4: Simplify right side
   166,499.88x = 20,920,216,103.60
5. Step 5: Solve for x
   x = 20,920,216,103.60/166,499.88
6. Step 6: Final answer
   x = 125,647.03