Finding the Fourth Proportional to 69,111.93, 103,667.94 and 19,192.04

Step by Step Solution

1. Step 1: Write the proportion equation
   69,111.93 : 103,667.94 = 19,192.04 : x
2. Step 2: Convert to fraction form
   69,111.93/103,667.94 = 19,192.04/x
3. Step 3: Cross multiply
   69,111.93x = 103,667.94 × 19,192.04
4. Step 4: Simplify right side
   69,111.93x = 1,989,598,732.86
5. Step 5: Solve for x
   x = 1,989,598,732.86/69,111.93
6. Step 6: Final answer
   x = 28,788.06