Finding the Fourth Proportional to 16,870.96, 23,277.38 and 10,900.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.96 : 23,277.38 = 10,900.46 : x
2. Step 2: Convert to fraction form
   16,870.96/23,277.38 = 10,900.46/x
3. Step 3: Cross multiply
   16,870.96x = 23,277.38 × 10,900.46
4. Step 4: Simplify right side
   16,870.96x = 253,734,149.59
5. Step 5: Solve for x
   x = 253,734,149.59/16,870.96
6. Step 6: Final answer
   x = 15,039.70