Finding the Fourth Proportional to 89,906.09, 124,061.83 and 49,621.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,906.09 : 124,061.83 = 49,621.55 : x
2. Step 2: Convert to fraction form
   89,906.09/124,061.83 = 49,621.55/x
3. Step 3: Cross multiply
   89,906.09x = 124,061.83 × 49,621.55
4. Step 4: Simplify right side
   89,906.09x = 6,156,139,556.07
5. Step 5: Solve for x
   x = 6,156,139,556.07/89,906.09
6. Step 6: Final answer
   x = 68,473.00