Finding the Fourth Proportional to 89,429.44, 123,415.74 and 49,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,429.44 : 123,415.74 = 49,146.88 : x
2. Step 2: Convert to fraction form
   89,429.44/123,415.74 = 49,146.88/x
3. Step 3: Cross multiply
   89,429.44x = 123,415.74 × 49,146.88
4. Step 4: Simplify right side
   89,429.44x = 6,065,498,563.89
5. Step 5: Solve for x
   x = 6,065,498,563.89/89,429.44
6. Step 6: Final answer
   x = 67,824.41