Finding the Fourth Proportional to 161,437.62, 222,784.02 and 89,817.69

Step by Step Solution

1. Step 1: Write the proportion equation
   161,437.62 : 222,784.02 = 89,817.69 : x
2. Step 2: Convert to fraction form
   161,437.62/222,784.02 = 89,817.69/x
3. Step 3: Cross multiply
   161,437.62x = 222,784.02 × 89,817.69
4. Step 4: Simplify right side
   161,437.62x = 20,009,946,045.31
5. Step 5: Solve for x
   x = 20,009,946,045.31/161,437.62
6. Step 6: Final answer
   x = 123,948.47