Finding the Fourth Proportional to 160,723.89, 221,784.03 and 89,097.84

Step by Step Solution

1. Step 1: Write the proportion equation
   160,723.89 : 221,784.03 = 89,097.84 : x
2. Step 2: Convert to fraction form
   160,723.89/221,784.03 = 89,097.84/x
3. Step 3: Cross multiply
   160,723.89x = 221,784.03 × 89,097.84
4. Step 4: Simplify right side
   160,723.89x = 19,760,478,019.50
5. Step 5: Solve for x
   x = 19,760,478,019.50/160,723.89
6. Step 6: Final answer
   x = 122,946.74