Finding the Fourth Proportional to 89,784.16, 123,902.98 and 49,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,784.16 : 123,902.98 = 49,499.34 : x
2. Step 2: Convert to fraction form
   89,784.16/123,902.98 = 49,499.34/x
3. Step 3: Cross multiply
   89,784.16x = 123,902.98 × 49,499.34
4. Step 4: Simplify right side
   89,784.16x = 6,133,115,734.03
5. Step 5: Solve for x
   x = 6,133,115,734.03/89,784.16
6. Step 6: Final answer
   x = 68,309.55