Finding the Fourth Proportional to 16,798.48, 25,196.52 and 5,111

Step by Step Solution

1. Step 1: Write the proportion equation
   16,798.48 : 25,196.52 = 5,111 : x
2. Step 2: Convert to fraction form
   16,798.48/25,196.52 = 5,111/x
3. Step 3: Cross multiply
   16,798.48x = 25,196.52 × 5,111
4. Step 4: Simplify right side
   16,798.48x = 128,779,413.72
5. Step 5: Solve for x
   x = 128,779,413.72/16,798.48
6. Step 6: Final answer
   x = 7,666.13