Finding the Fourth Proportional to 89,169.48, 123,066.41 and 55,188.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,169.48 : 123,066.41 = 55,188.83 : x
2. Step 2: Convert to fraction form
   89,169.48/123,066.41 = 55,188.83/x
3. Step 3: Cross multiply
   89,169.48x = 123,066.41 × 55,188.83
4. Step 4: Simplify right side
   89,169.48x = 6,791,891,211.92
5. Step 5: Solve for x
   x = 6,791,891,211.92/89,169.48
6. Step 6: Final answer
   x = 76,168.34