Finding the Fourth Proportional to 166,465, 229,721.72 and 91,013.52

Step by Step Solution

1. Step 1: Write the proportion equation
   166,465 : 229,721.72 = 91,013.52 : x
2. Step 2: Convert to fraction form
   166,465/229,721.72 = 91,013.52/x
3. Step 3: Cross multiply
   166,465x = 229,721.72 × 91,013.52
4. Step 4: Simplify right side
   166,465x = 20,907,782,357.65
5. Step 5: Solve for x
   x = 20,907,782,357.65/166,465
6. Step 6: Final answer
   x = 125,598.67