Finding the Fourth Proportional to 89,494.42, 123,502.76 and 49,210.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,494.42 : 123,502.76 = 49,210.79 : x
2. Step 2: Convert to fraction form
   89,494.42/123,502.76 = 49,210.79/x
3. Step 3: Cross multiply
   89,494.42x = 123,502.76 × 49,210.79
4. Step 4: Simplify right side
   89,494.42x = 6,077,668,170.89
5. Step 5: Solve for x
   x = 6,077,668,170.89/89,494.42
6. Step 6: Final answer
   x = 67,911.14