Finding the Fourth Proportional to 69,856.43, 104,725.86 and 30,383.81

Step by Step Solution

1. Step 1: Write the proportion equation
   69,856.43 : 104,725.86 = 30,383.81 : x
2. Step 2: Convert to fraction form
   69,856.43/104,725.86 = 30,383.81/x
3. Step 3: Cross multiply
   69,856.43x = 104,725.86 × 30,383.81
4. Step 4: Simplify right side
   69,856.43x = 3,181,970,558.39
5. Step 5: Solve for x
   x = 3,181,970,558.39/69,856.43
6. Step 6: Final answer
   x = 45,550.15