Finding the Fourth Proportional to 166,463, 229,718.94 and 91,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,463 : 229,718.94 = 91,011.50 : x
2. Step 2: Convert to fraction form
   166,463/229,718.94 = 91,011.50/x
3. Step 3: Cross multiply
   166,463x = 229,718.94 × 91,011.50
4. Step 4: Simplify right side
   166,463x = 20,907,065,307.81
5. Step 5: Solve for x
   x = 20,907,065,307.81/166,463
6. Step 6: Final answer
   x = 125,595.87