Finding the Fourth Proportional to 16,865.48, 23,281.86 and 10,900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,865.48 : 23,281.86 = 10,900.04 : x
2. Step 2: Convert to fraction form
   16,865.48/23,281.86 = 10,900.04/x
3. Step 3: Cross multiply
   16,865.48x = 23,281.86 × 10,900.04
4. Step 4: Simplify right side
   16,865.48x = 253,773,205.27
5. Step 5: Solve for x
   x = 253,773,205.27/16,865.48
6. Step 6: Final answer
   x = 15,046.90