Finding the Fourth Proportional to 69,673.59, 104,410.72 and 55,676.17

Step by Step Solution

1. Step 1: Write the proportion equation
   69,673.59 : 104,410.72 = 55,676.17 : x
2. Step 2: Convert to fraction form
   69,673.59/104,410.72 = 55,676.17/x
3. Step 3: Cross multiply
   69,673.59x = 104,410.72 × 55,676.17
4. Step 4: Simplify right side
   69,673.59x = 5,813,188,996.54
5. Step 5: Solve for x
   x = 5,813,188,996.54/69,673.59
6. Step 6: Final answer
   x = 83,434.61