Finding the Fourth Proportional to 16,748.21, 23,107.61 and 10,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,748.21 : 23,107.61 = 10,379.50 : x
2. Step 2: Convert to fraction form
   16,748.21/23,107.61 = 10,379.50/x
3. Step 3: Cross multiply
   16,748.21x = 23,107.61 × 10,379.50
4. Step 4: Simplify right side
   16,748.21x = 239,845,406.17
5. Step 5: Solve for x
   x = 239,845,406.17/16,748.21
6. Step 6: Final answer
   x = 14,320.66