Finding the Fourth Proportional to 89,478.83, 123,475.53 and 49,192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,478.83 : 123,475.53 = 49,192.56 : x
2. Step 2: Convert to fraction form
   89,478.83/123,475.53 = 49,192.56/x
3. Step 3: Cross multiply
   89,478.83x = 123,475.53 × 49,192.56
4. Step 4: Simplify right side
   89,478.83x = 6,074,077,418.06
5. Step 5: Solve for x
   x = 6,074,077,418.06/89,478.83
6. Step 6: Final answer
   x = 67,882.85