Finding the Fourth Proportional to 166,499.59, 229,764.77 and 91,046.47

Step by Step Solution

1. Step 1: Write the proportion equation
   166,499.59 : 229,764.77 = 91,046.47 : x
2. Step 2: Convert to fraction form
   166,499.59/229,764.77 = 91,046.47/x
3. Step 3: Cross multiply
   166,499.59x = 229,764.77 × 91,046.47
4. Step 4: Simplify right side
   166,499.59x = 20,919,270,783.63
5. Step 5: Solve for x
   x = 20,919,270,783.63/166,499.59
6. Step 6: Final answer
   x = 125,641.58