Finding the Fourth Proportional to 89,981.80, 124,173.33 and 49,696.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,981.80 : 124,173.33 = 49,696.05 : x
2. Step 2: Convert to fraction form
   89,981.80/124,173.33 = 49,696.05/x
3. Step 3: Cross multiply
   89,981.80x = 124,173.33 × 49,696.05
4. Step 4: Simplify right side
   89,981.80x = 6,170,924,016.35
5. Step 5: Solve for x
   x = 6,170,924,016.35/89,981.80
6. Step 6: Final answer
   x = 68,579.69