Finding the Fourth Proportional to 89,697.27, 123,781.64 and 49,410.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,697.27 : 123,781.64 = 49,410.12 : x
2. Step 2: Convert to fraction form
   89,697.27/123,781.64 = 49,410.12/x
3. Step 3: Cross multiply
   89,697.27x = 123,781.64 × 49,410.12
4. Step 4: Simplify right side
   89,697.27x = 6,116,065,439.15
5. Step 5: Solve for x
   x = 6,116,065,439.15/89,697.27
6. Step 6: Final answer
   x = 68,185.64