Finding the Fourth Proportional to 16,978.52, 23,430.74 and 9,526.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978.52 : 23,430.74 = 9,526.52 : x
2. Step 2: Convert to fraction form
   16,978.52/23,430.74 = 9,526.52/x
3. Step 3: Cross multiply
   16,978.52x = 23,430.74 × 9,526.52
4. Step 4: Simplify right side
   16,978.52x = 223,213,413.22
5. Step 5: Solve for x
   x = 223,213,413.22/16,978.52
6. Step 6: Final answer
   x = 13,146.81