Finding the Fourth Proportional to 161,508.74, 222,881.83 and 89,887.05

Step by Step Solution

1. Step 1: Write the proportion equation
   161,508.74 : 222,881.83 = 89,887.05 : x
2. Step 2: Convert to fraction form
   161,508.74/222,881.83 = 89,887.05/x
3. Step 3: Cross multiply
   161,508.74x = 222,881.83 × 89,887.05
4. Step 4: Simplify right side
   161,508.74x = 20,034,189,972.58
5. Step 5: Solve for x
   x = 20,034,189,972.58/161,508.74
6. Step 6: Final answer
   x = 124,044.00