Finding the Fourth Proportional to 14,062.48, 19,407 and 7,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,062.48 : 19,407 = 7,774.72 : x
2. Step 2: Convert to fraction form
   14,062.48/19,407 = 7,774.72/x
3. Step 3: Cross multiply
   14,062.48x = 19,407 × 7,774.72
4. Step 4: Simplify right side
   14,062.48x = 150,883,991.04
5. Step 5: Solve for x
   x = 150,883,991.04/14,062.48
6. Step 6: Final answer
   x = 10,729.54