Finding the Fourth Proportional to 161,436, 222,783.72 and 88,847.25

Step by Step Solution

1. Step 1: Write the proportion equation
   161,436 : 222,783.72 = 88,847.25 : x
2. Step 2: Convert to fraction form
   161,436/222,783.72 = 88,847.25/x
3. Step 3: Cross multiply
   161,436x = 222,783.72 × 88,847.25
4. Step 4: Simplify right side
   161,436x = 19,793,720,031.33
5. Step 5: Solve for x
   x = 19,793,720,031.33/161,436
6. Step 6: Final answer
   x = 122,610.32