Finding the Fourth Proportional to 12,953.61, 17,876.39 and 7,364.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.61 : 17,876.39 = 7,364.97 : x
2. Step 2: Convert to fraction form
   12,953.61/17,876.39 = 7,364.97/x
3. Step 3: Cross multiply
   12,953.61x = 17,876.39 × 7,364.97
4. Step 4: Simplify right side
   12,953.61x = 131,659,039.23
5. Step 5: Solve for x
   x = 131,659,039.23/12,953.61
6. Step 6: Final answer
   x = 10,163.89