Finding the Fourth Proportional to 166,536, 229,819.68 and 91,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,536 : 229,819.68 = 91,084.50 : x
2. Step 2: Convert to fraction form
   166,536/229,819.68 = 91,084.50/x
3. Step 3: Cross multiply
   166,536x = 229,819.68 × 91,084.50
4. Step 4: Simplify right side
   166,536x = 20,933,010,642.96
5. Step 5: Solve for x
   x = 20,933,010,642.96/166,536
6. Step 6: Final answer
   x = 125,696.61