Finding the Fourth Proportional to 89,706.64, 123,804.89 and 49,424.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,706.64 : 123,804.89 = 49,424.53 : x
2. Step 2: Convert to fraction form
   89,706.64/123,804.89 = 49,424.53/x
3. Step 3: Cross multiply
   89,706.64x = 123,804.89 × 49,424.53
4. Step 4: Simplify right side
   89,706.64x = 6,118,998,499.95
5. Step 5: Solve for x
   x = 6,118,998,499.95/89,706.64
6. Step 6: Final answer
   x = 68,211.21