Finding the Fourth Proportional to 89,161.95, 123,056.06 and 55,181.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,161.95 : 123,056.06 = 55,181.34 : x
2. Step 2: Convert to fraction form
   89,161.95/123,056.06 = 55,181.34/x
3. Step 3: Cross multiply
   89,161.95x = 123,056.06 × 55,181.34
4. Step 4: Simplify right side
   89,161.95x = 6,790,398,010.01
5. Step 5: Solve for x
   x = 6,790,398,010.01/89,161.95
6. Step 6: Final answer
   x = 76,158.02