Finding the Fourth Proportional to 89,312, 123,250.56 and 49,568

Step by Step Solution

1. Step 1: Write the proportion equation
   89,312 : 123,250.56 = 49,568 : x
2. Step 2: Convert to fraction form
   89,312/123,250.56 = 49,568/x
3. Step 3: Cross multiply
   89,312x = 123,250.56 × 49,568
4. Step 4: Simplify right side
   89,312x = 6,109,283,758.08
5. Step 5: Solve for x
   x = 6,109,283,758.08/89,312
6. Step 6: Final answer
   x = 68,403.84