Finding the Fourth Proportional to 12,866.94, 19,304.06 and 10,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,866.94 : 19,304.06 = 10,548.72 : x
2. Step 2: Convert to fraction form
   12,866.94/19,304.06 = 10,548.72/x
3. Step 3: Cross multiply
   12,866.94x = 19,304.06 × 10,548.72
4. Step 4: Simplify right side
   12,866.94x = 203,633,071.06
5. Step 5: Solve for x
   x = 203,633,071.06/12,866.94
6. Step 6: Final answer
   x = 15,826.07