Finding the Fourth Proportional to 89,785.86, 123,904.32 and 49,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,785.86 : 123,904.32 = 49,499.34 : x
2. Step 2: Convert to fraction form
   89,785.86/123,904.32 = 49,499.34/x
3. Step 3: Cross multiply
   89,785.86x = 123,904.32 × 49,499.34
4. Step 4: Simplify right side
   89,785.86x = 6,133,182,063.15
5. Step 5: Solve for x
   x = 6,133,182,063.15/89,785.86
6. Step 6: Final answer
   x = 68,309.00