Finding the Fourth Proportional to 166,545, 229,832.10 and 91,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,545 : 229,832.10 = 91,093.50 : x
2. Step 2: Convert to fraction form
   166,545/229,832.10 = 91,093.50/x
3. Step 3: Cross multiply
   166,545x = 229,832.10 × 91,093.50
4. Step 4: Simplify right side
   166,545x = 20,936,210,401.35
5. Step 5: Solve for x
   x = 20,936,210,401.35/166,545
6. Step 6: Final answer
   x = 125,709.03