Finding the Fourth Proportional to 89,441.21, 123,426.37 and 49,154.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,441.21 : 123,426.37 = 49,154.96 : x
2. Step 2: Convert to fraction form
   89,441.21/123,426.37 = 49,154.96/x
3. Step 3: Cross multiply
   89,441.21x = 123,426.37 × 49,154.96
4. Step 4: Simplify right side
   89,441.21x = 6,067,018,280.30
5. Step 5: Solve for x
   x = 6,067,018,280.30/89,441.21
6. Step 6: Final answer
   x = 67,832.47