Finding the Fourth Proportional to 161,323, 222,613.02 and 89,698.60

Step by Step Solution

1. Step 1: Write the proportion equation
   161,323 : 222,613.02 = 89,698.60 : x
2. Step 2: Convert to fraction form
   161,323/222,613.02 = 89,698.60/x
3. Step 3: Cross multiply
   161,323x = 222,613.02 × 89,698.60
4. Step 4: Simplify right side
   161,323x = 19,968,076,235.77
5. Step 5: Solve for x
   x = 19,968,076,235.77/161,323
6. Step 6: Final answer
   x = 123,777.00