Finding the Fourth Proportional to 12,953.36, 17,876.04 and 7,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.36 : 17,876.04 = 7,364.72 : x
2. Step 2: Convert to fraction form
   12,953.36/17,876.04 = 7,364.72/x
3. Step 3: Cross multiply
   12,953.36x = 17,876.04 × 7,364.72
4. Step 4: Simplify right side
   12,953.36x = 131,652,029.31
5. Step 5: Solve for x
   x = 131,652,029.31/12,953.36
6. Step 6: Final answer
   x = 10,163.54