Finding the Fourth Proportional to 89,375.99, 123,339.88 and 49,090.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,375.99 : 123,339.88 = 49,090.69 : x
2. Step 2: Convert to fraction form
   89,375.99/123,339.88 = 49,090.69/x
3. Step 3: Cross multiply
   89,375.99x = 123,339.88 × 49,090.69
4. Step 4: Simplify right side
   89,375.99x = 6,054,839,813.72
5. Step 5: Solve for x
   x = 6,054,839,813.72/89,375.99
6. Step 6: Final answer
   x = 67,745.71