Finding the Fourth Proportional to 104,361.02, 143,909.96 and 89,303.52

Step by Step Solution

1. Step 1: Write the proportion equation
   104,361.02 : 143,909.96 = 89,303.52 : x
2. Step 2: Convert to fraction form
   104,361.02/143,909.96 = 89,303.52/x
3. Step 3: Cross multiply
   104,361.02x = 143,909.96 × 89,303.52
4. Step 4: Simplify right side
   104,361.02x = 12,851,665,991.06
5. Step 5: Solve for x
   x = 12,851,665,991.06/104,361.02
6. Step 6: Final answer
   x = 123,146.23