Finding the Fourth Proportional to 14,061.80, 19,403.52 and 7,774.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.80 : 19,403.52 = 7,774.28 : x
2. Step 2: Convert to fraction form
   14,061.80/19,403.52 = 7,774.28/x
3. Step 3: Cross multiply
   14,061.80x = 19,403.52 × 7,774.28
4. Step 4: Simplify right side
   14,061.80x = 150,848,397.47
5. Step 5: Solve for x
   x = 150,848,397.47/14,061.80
6. Step 6: Final answer
   x = 10,727.53