Finding the Fourth Proportional to 161,098.72, 222,310.05 and 89,483.32

Step by Step Solution

1. Step 1: Write the proportion equation
   161,098.72 : 222,310.05 = 89,483.32 : x
2. Step 2: Convert to fraction form
   161,098.72/222,310.05 = 89,483.32/x
3. Step 3: Cross multiply
   161,098.72x = 222,310.05 × 89,483.32
4. Step 4: Simplify right side
   161,098.72x = 19,893,041,343.37
5. Step 5: Solve for x
   x = 19,893,041,343.37/161,098.72
6. Step 6: Final answer
   x = 123,483.55