Finding the Fourth Proportional to 89,496.56, 123,506.72 and 49,212

Step by Step Solution

1. Step 1: Write the proportion equation
   89,496.56 : 123,506.72 = 49,212 : x
2. Step 2: Convert to fraction form
   89,496.56/123,506.72 = 49,212/x
3. Step 3: Cross multiply
   89,496.56x = 123,506.72 × 49,212
4. Step 4: Simplify right side
   89,496.56x = 6,078,012,704.64
5. Step 5: Solve for x
   x = 6,078,012,704.64/89,496.56
6. Step 6: Final answer
   x = 67,913.37