Finding the Fourth Proportional to 89,156.76, 123,048.93 and 55,176.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,156.76 : 123,048.93 = 55,176.18 : x
2. Step 2: Convert to fraction form
   89,156.76/123,048.93 = 55,176.18/x
3. Step 3: Cross multiply
   89,156.76x = 123,048.93 × 55,176.18
4. Step 4: Simplify right side
   89,156.76x = 6,789,369,910.49
5. Step 5: Solve for x
   x = 6,789,369,910.49/89,156.76
6. Step 6: Final answer
   x = 76,150.93