Finding the Fourth Proportional to 69,111.82, 103,667.94 and 19,194.64

Step by Step Solution

1. Step 1: Write the proportion equation
   69,111.82 : 103,667.94 = 19,194.64 : x
2. Step 2: Convert to fraction form
   69,111.82/103,667.94 = 19,194.64/x
3. Step 3: Cross multiply
   69,111.82x = 103,667.94 × 19,194.64
4. Step 4: Simplify right side
   69,111.82x = 1,989,868,787.84
5. Step 5: Solve for x
   x = 1,989,868,787.84/69,111.82
6. Step 6: Final answer
   x = 28,792.02