Finding the Fourth Proportional to 89,450.30, 123,443.68 and 49,165.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,450.30 : 123,443.68 = 49,165.08 : x
2. Step 2: Convert to fraction form
   89,450.30/123,443.68 = 49,165.08/x
3. Step 3: Cross multiply
   89,450.30x = 123,443.68 × 49,165.08
4. Step 4: Simplify right side
   89,450.30x = 6,069,118,402.69
5. Step 5: Solve for x
   x = 6,069,118,402.69/89,450.30
6. Step 6: Final answer
   x = 67,849.06