Finding the Fourth Proportional to 104,124.32, 143,584.16 and 89,066.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104,124.32 : 143,584.16 = 89,066.82 : x
2. Step 2: Convert to fraction form
   104,124.32/143,584.16 = 89,066.82/x
3. Step 3: Cross multiply
   104,124.32x = 143,584.16 × 89,066.82
4. Step 4: Simplify right side
   104,124.32x = 12,788,585,127.68
5. Step 5: Solve for x
   x = 12,788,585,127.68/104,124.32
6. Step 6: Final answer
   x = 122,820.35