Finding the Fourth Proportional to 160,574.53, 221,564.69 and 91,632.52

Step by Step Solution

1. Step 1: Write the proportion equation
   160,574.53 : 221,564.69 = 91,632.52 : x
2. Step 2: Convert to fraction form
   160,574.53/221,564.69 = 91,632.52/x
3. Step 3: Cross multiply
   160,574.53x = 221,564.69 × 91,632.52
4. Step 4: Simplify right side
   160,574.53x = 20,302,530,887.72
5. Step 5: Solve for x
   x = 20,302,530,887.72/160,574.53
6. Step 6: Final answer
   x = 126,436.81