Finding the Fourth Proportional to 89,451, 123,442.62 and 49,707

Step by Step Solution

1. Step 1: Write the proportion equation
   89,451 : 123,442.62 = 49,707 : x
2. Step 2: Convert to fraction form
   89,451/123,442.62 = 49,707/x
3. Step 3: Cross multiply
   89,451x = 123,442.62 × 49,707
4. Step 4: Simplify right side
   89,451x = 6,135,962,312.34
5. Step 5: Solve for x
   x = 6,135,962,312.34/89,451
6. Step 6: Final answer
   x = 68,595.79