Finding the Fourth Proportional to 16,941.47, 23,379.56 and 9,868.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,941.47 : 23,379.56 = 9,868.35 : x
2. Step 2: Convert to fraction form
   16,941.47/23,379.56 = 9,868.35/x
3. Step 3: Cross multiply
   16,941.47x = 23,379.56 × 9,868.35
4. Step 4: Simplify right side
   16,941.47x = 230,717,705.60
5. Step 5: Solve for x
   x = 230,717,705.60/16,941.47
6. Step 6: Final answer
   x = 13,618.52