Finding the Fourth Proportional to 14,061.09, 19,405.13 and 7,774.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.09 : 19,405.13 = 7,774.05 : x
2. Step 2: Convert to fraction form
   14,061.09/19,405.13 = 7,774.05/x
3. Step 3: Cross multiply
   14,061.09x = 19,405.13 × 7,774.05
4. Step 4: Simplify right side
   14,061.09x = 150,856,412.01
5. Step 5: Solve for x
   x = 150,856,412.01/14,061.09
6. Step 6: Final answer
   x = 10,728.64