Finding the Fourth Proportional to 89,690.12, 123,773.22 and 49,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,690.12 : 123,773.22 = 49,404.06 : x
2. Step 2: Convert to fraction form
   89,690.12/123,773.22 = 49,404.06/x
3. Step 3: Cross multiply
   89,690.12x = 123,773.22 × 49,404.06
4. Step 4: Simplify right side
   89,690.12x = 6,114,899,587.27
5. Step 5: Solve for x
   x = 6,114,899,587.27/89,690.12
6. Step 6: Final answer
   x = 68,178.07