Finding the Fourth Proportional to 166,537, 229,824.71 and 91,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,537 : 229,824.71 = 91,085.50 : x
2. Step 2: Convert to fraction form
   166,537/229,824.71 = 91,085.50/x
3. Step 3: Cross multiply
   166,537x = 229,824.71 × 91,085.50
4. Step 4: Simplify right side
   166,537x = 20,933,698,622.71
5. Step 5: Solve for x
   x = 20,933,698,622.71/166,537
6. Step 6: Final answer
   x = 125,699.99