Finding the Fourth Proportional to 14,069.30, 19,414.17 and 7,781.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,069.30 : 19,414.17 = 7,781.30 : x
2. Step 2: Convert to fraction form
   14,069.30/19,414.17 = 7,781.30/x
3. Step 3: Cross multiply
   14,069.30x = 19,414.17 × 7,781.30
4. Step 4: Simplify right side
   14,069.30x = 151,067,481.02
5. Step 5: Solve for x
   x = 151,067,481.02/14,069.30
6. Step 6: Final answer
   x = 10,737.38