Finding the Fourth Proportional to 89,546.72, 123,577.50 and 49,262

Step by Step Solution

1. Step 1: Write the proportion equation
   89,546.72 : 123,577.50 = 49,262 : x
2. Step 2: Convert to fraction form
   89,546.72/123,577.50 = 49,262/x
3. Step 3: Cross multiply
   89,546.72x = 123,577.50 × 49,262
4. Step 4: Simplify right side
   89,546.72x = 6,087,674,805
5. Step 5: Solve for x
   x = 6,087,674,805/89,546.72
6. Step 6: Final answer
   x = 67,983.22