Finding the Fourth Proportional to 89,659.56, 123,733.32 and 49,376.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,659.56 : 123,733.32 = 49,376.16 : x
2. Step 2: Convert to fraction form
   89,659.56/123,733.32 = 49,376.16/x
3. Step 3: Cross multiply
   89,659.56x = 123,733.32 × 49,376.16
4. Step 4: Simplify right side
   89,659.56x = 6,109,476,205.65
5. Step 5: Solve for x
   x = 6,109,476,205.65/89,659.56
6. Step 6: Final answer
   x = 68,140.82