Finding the Fourth Proportional to 104,127.32, 143,588.30 and 89,069.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104,127.32 : 143,588.30 = 89,069.82 : x
2. Step 2: Convert to fraction form
   104,127.32/143,588.30 = 89,069.82/x
3. Step 3: Cross multiply
   104,127.32x = 143,588.30 × 89,069.82
4. Step 4: Simplify right side
   104,127.32x = 12,789,384,035.11
5. Step 5: Solve for x
   x = 12,789,384,035.11/104,127.32
6. Step 6: Final answer
   x = 122,824.48