Finding the Fourth Proportional to 89,345.78, 123,291.58 and 49,059.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,345.78 : 123,291.58 = 49,059.35 : x
2. Step 2: Convert to fraction form
   89,345.78/123,291.58 = 49,059.35/x
3. Step 3: Cross multiply
   89,345.78x = 123,291.58 × 49,059.35
4. Step 4: Simplify right side
   89,345.78x = 6,048,604,775.27
5. Step 5: Solve for x
   x = 6,048,604,775.27/89,345.78
6. Step 6: Final answer
   x = 67,698.83