Finding the Fourth Proportional to 89,697.02, 123,781.29 and 49,409.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,697.02 : 123,781.29 = 49,409.87 : x
2. Step 2: Convert to fraction form
   89,697.02/123,781.29 = 49,409.87/x
3. Step 3: Cross multiply
   89,697.02x = 123,781.29 × 49,409.87
4. Step 4: Simplify right side
   89,697.02x = 6,116,017,447.33
5. Step 5: Solve for x
   x = 6,116,017,447.33/89,697.02
6. Step 6: Final answer
   x = 68,185.29