Finding the Fourth Proportional to 14,120.78, 19,485.92 and 7,832.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,120.78 : 19,485.92 = 7,832.75 : x
2. Step 2: Convert to fraction form
   14,120.78/19,485.92 = 7,832.75/x
3. Step 3: Cross multiply
   14,120.78x = 19,485.92 × 7,832.75
4. Step 4: Simplify right side
   14,120.78x = 152,628,300.72
5. Step 5: Solve for x
   x = 152,628,300.72/14,120.78
6. Step 6: Final answer
   x = 10,808.77