Finding the Fourth Proportional to 165,322.50, 228,145.14 and 89,871

Step by Step Solution

1. Step 1: Write the proportion equation
   165,322.50 : 228,145.14 = 89,871 : x
2. Step 2: Convert to fraction form
   165,322.50/228,145.14 = 89,871/x
3. Step 3: Cross multiply
   165,322.50x = 228,145.14 × 89,871
4. Step 4: Simplify right side
   165,322.50x = 20,503,631,876.94
5. Step 5: Solve for x
   x = 20,503,631,876.94/165,322.50
6. Step 6: Final answer
   x = 124,022.03