Finding the Fourth Proportional to 16,980.62, 23,433.46 and 9,427.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,980.62 : 23,433.46 = 9,427.10 : x
2. Step 2: Convert to fraction form
   16,980.62/23,433.46 = 9,427.10/x
3. Step 3: Cross multiply
   16,980.62x = 23,433.46 × 9,427.10
4. Step 4: Simplify right side
   16,980.62x = 220,909,570.77
5. Step 5: Solve for x
   x = 220,909,570.77/16,980.62
6. Step 6: Final answer
   x = 13,009.51