Finding the Fourth Proportional to 16,803.74, 23,198.46 and 10,091

Step by Step Solution

1. Step 1: Write the proportion equation
   16,803.74 : 23,198.46 = 10,091 : x
2. Step 2: Convert to fraction form
   16,803.74/23,198.46 = 10,091/x
3. Step 3: Cross multiply
   16,803.74x = 23,198.46 × 10,091
4. Step 4: Simplify right side
   16,803.74x = 234,095,659.86
5. Step 5: Solve for x
   x = 234,095,659.86/16,803.74
6. Step 6: Final answer
   x = 13,931.16