Finding the Fourth Proportional to 161,091.48, 222,300.06 and 89,476.07

Step by Step Solution

1. Step 1: Write the proportion equation
   161,091.48 : 222,300.06 = 89,476.07 : x
2. Step 2: Convert to fraction form
   161,091.48/222,300.06 = 89,476.07/x
3. Step 3: Cross multiply
   161,091.48x = 222,300.06 × 89,476.07
4. Step 4: Simplify right side
   161,091.48x = 19,890,535,729.56
5. Step 5: Solve for x
   x = 19,890,535,729.56/161,091.48
6. Step 6: Final answer
   x = 123,473.54