Finding the Fourth Proportional to 165,417.72, 228,275.82 and 89,967.48

Step by Step Solution

1. Step 1: Write the proportion equation
   165,417.72 : 228,275.82 = 89,967.48 : x
2. Step 2: Convert to fraction form
   165,417.72/228,275.82 = 89,967.48/x
3. Step 3: Cross multiply
   165,417.72x = 228,275.82 × 89,967.48
4. Step 4: Simplify right side
   165,417.72x = 20,537,400,270.33
5. Step 5: Solve for x
   x = 20,537,400,270.33/165,417.72
6. Step 6: Final answer
   x = 124,154.78