Finding the Fourth Proportional to 89,169.46, 123,066.42 and 55,188.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,169.46 : 123,066.42 = 55,188.84 : x
2. Step 2: Convert to fraction form
   89,169.46/123,066.42 = 55,188.84/x
3. Step 3: Cross multiply
   89,169.46x = 123,066.42 × 55,188.84
4. Step 4: Simplify right side
   89,169.46x = 6,791,892,962.75
5. Step 5: Solve for x
   x = 6,791,892,962.75/89,169.46
6. Step 6: Final answer
   x = 76,168.38