Finding the Fourth Proportional to 104,358.02, 143,905.82 and 89,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   104,358.02 : 143,905.82 = 89,300.52 : x
2. Step 2: Convert to fraction form
   104,358.02/143,905.82 = 89,300.52/x
3. Step 3: Cross multiply
   104,358.02x = 143,905.82 × 89,300.52
4. Step 4: Simplify right side
   104,358.02x = 12,850,864,557.03
5. Step 5: Solve for x
   x = 12,850,864,557.03/104,358.02
6. Step 6: Final answer
   x = 123,142.09