Finding the Fourth Proportional to 165,322.32, 228,146.52 and 89,870.82

Step by Step Solution

1. Step 1: Write the proportion equation
   165,322.32 : 228,146.52 = 89,870.82 : x
2. Step 2: Convert to fraction form
   165,322.32/228,146.52 = 89,870.82/x
3. Step 3: Cross multiply
   165,322.32x = 228,146.52 × 89,870.82
4. Step 4: Simplify right side
   165,322.32x = 20,503,714,314.01
5. Step 5: Solve for x
   x = 20,503,714,314.01/165,322.32
6. Step 6: Final answer
   x = 124,022.67