Finding the Fourth Proportional to 165,339.09, 228,171.69 and 89,887.59

Step by Step Solution

1. Step 1: Write the proportion equation
   165,339.09 : 228,171.69 = 89,887.59 : x
2. Step 2: Convert to fraction form
   165,339.09/228,171.69 = 89,887.59/x
3. Step 3: Cross multiply
   165,339.09x = 228,171.69 × 89,887.59
4. Step 4: Simplify right side
   165,339.09x = 20,509,803,320.33
5. Step 5: Solve for x
   x = 20,509,803,320.33/165,339.09
6. Step 6: Final answer
   x = 124,046.91