Finding the Fourth Proportional to 160,904.52, 222,044.76 and 89,280.18

Step by Step Solution

1. Step 1: Write the proportion equation
   160,904.52 : 222,044.76 = 89,280.18 : x
2. Step 2: Convert to fraction form
   160,904.52/222,044.76 = 89,280.18/x
3. Step 3: Cross multiply
   160,904.52x = 222,044.76 × 89,280.18
4. Step 4: Simplify right side
   160,904.52x = 19,824,196,140.86
5. Step 5: Solve for x
   x = 19,824,196,140.86/160,904.52
6. Step 6: Final answer
   x = 123,204.72