Finding the Fourth Proportional to 89,693.82, 123,768.18 and 55,233.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,693.82 : 123,768.18 = 55,233.08 : x
2. Step 2: Convert to fraction form
   89,693.82/123,768.18 = 55,233.08/x
3. Step 3: Cross multiply
   89,693.82x = 123,768.18 × 55,233.08
4. Step 4: Simplify right side
   89,693.82x = 6,836,097,168.55
5. Step 5: Solve for x
   x = 6,836,097,168.55/89,693.82
6. Step 6: Final answer
   x = 76,215.92