Finding the Fourth Proportional to 69,580.82, 104,361.89 and 19,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   69,580.82 : 104,361.89 = 19,664.82 : x
2. Step 2: Convert to fraction form
   69,580.82/104,361.89 = 19,664.82/x
3. Step 3: Cross multiply
   69,580.82x = 104,361.89 × 19,664.82
4. Step 4: Simplify right side
   69,580.82x = 2,052,257,683.39
5. Step 5: Solve for x
   x = 2,052,257,683.39/69,580.82
6. Step 6: Final answer
   x = 29,494.59