Finding the Fourth Proportional to 166,498.54, 229,763.32 and 91,045.42

Step by Step Solution

1. Step 1: Write the proportion equation
   166,498.54 : 229,763.32 = 91,045.42 : x
2. Step 2: Convert to fraction form
   166,498.54/229,763.32 = 91,045.42/x
3. Step 3: Cross multiply
   166,498.54x = 229,763.32 × 91,045.42
4. Step 4: Simplify right side
   166,498.54x = 20,918,897,969.99
5. Step 5: Solve for x
   x = 20,918,897,969.99/166,498.54
6. Step 6: Final answer
   x = 125,640.13