Finding the Fourth Proportional to 89,786.17, 123,905.76 and 49,501.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,786.17 : 123,905.76 = 49,501.36 : x
2. Step 2: Convert to fraction form
   89,786.17/123,905.76 = 49,501.36/x
3. Step 3: Cross multiply
   89,786.17x = 123,905.76 × 49,501.36
4. Step 4: Simplify right side
   89,786.17x = 6,133,503,631.83
5. Step 5: Solve for x
   x = 6,133,503,631.83/89,786.17
6. Step 6: Final answer
   x = 68,312.34