Finding the Fourth Proportional to 165,456.24, 228,323.52 and 90,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   165,456.24 : 228,323.52 = 90,003.12 : x
2. Step 2: Convert to fraction form
   165,456.24/228,323.52 = 90,003.12/x
3. Step 3: Cross multiply
   165,456.24x = 228,323.52 × 90,003.12
4. Step 4: Simplify right side
   165,456.24x = 20,549,829,169.38
5. Step 5: Solve for x
   x = 20,549,829,169.38/165,456.24
6. Step 6: Final answer
   x = 124,200.99