Finding the Fourth Proportional to 12,923.91, 17,833.50 and 7,257.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,923.91 : 17,833.50 = 7,257.51 : x
2. Step 2: Convert to fraction form
   12,923.91/17,833.50 = 7,257.51/x
3. Step 3: Cross multiply
   12,923.91x = 17,833.50 × 7,257.51
4. Step 4: Simplify right side
   12,923.91x = 129,426,804.59
5. Step 5: Solve for x
   x = 129,426,804.59/12,923.91
6. Step 6: Final answer
   x = 10,014.52