Finding the Fourth Proportional to 89,774.72, 123,883.47 and 49,488.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,774.72 : 123,883.47 = 49,488.83 : x
2. Step 2: Convert to fraction form
   89,774.72/123,883.47 = 49,488.83/x
3. Step 3: Cross multiply
   89,774.72x = 123,883.47 × 49,488.83
4. Step 4: Simplify right side
   89,774.72x = 6,130,847,367.22
5. Step 5: Solve for x
   x = 6,130,847,367.22/89,774.72
6. Step 6: Final answer
   x = 68,291.47