Finding the Fourth Proportional to 161,498.03, 222,865.10 and 89,878.03

Step by Step Solution

1. Step 1: Write the proportion equation
   161,498.03 : 222,865.10 = 89,878.03 : x
2. Step 2: Convert to fraction form
   161,498.03/222,865.10 = 89,878.03/x
3. Step 3: Cross multiply
   161,498.03x = 222,865.10 × 89,878.03
4. Step 4: Simplify right side
   161,498.03x = 20,030,676,368.45
5. Step 5: Solve for x
   x = 20,030,676,368.45/161,498.03
6. Step 6: Final answer
   x = 124,030.47