Finding the Fourth Proportional to 69,118.41, 103,665.06 and 19,185.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,118.41 : 103,665.06 = 19,185.96 : x
2. Step 2: Convert to fraction form
   69,118.41/103,665.06 = 19,185.96/x
3. Step 3: Cross multiply
   69,118.41x = 103,665.06 × 19,185.96
4. Step 4: Simplify right side
   69,118.41x = 1,988,913,694.56
5. Step 5: Solve for x
   x = 1,988,913,694.56/69,118.41
6. Step 6: Final answer
   x = 28,775.45