Finding the Fourth Proportional to 89,168.36, 123,053.72 and 53,359.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,168.36 : 123,053.72 = 53,359.88 : x
2. Step 2: Convert to fraction form
   89,168.36/123,053.72 = 53,359.88/x
3. Step 3: Cross multiply
   89,168.36x = 123,053.72 × 53,359.88
4. Step 4: Simplify right side
   89,168.36x = 6,566,130,850.69
5. Step 5: Solve for x
   x = 6,566,130,850.69/89,168.36
6. Step 6: Final answer
   x = 73,637.46