Finding the Fourth Proportional to 9,386.52, 12,953.72 and 5,195.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.52 : 12,953.72 = 5,195.56 : x
2. Step 2: Convert to fraction form
   9,386.52/12,953.72 = 5,195.56/x
3. Step 3: Cross multiply
   9,386.52x = 12,953.72 × 5,195.56
4. Step 4: Simplify right side
   9,386.52x = 67,301,829.48
5. Step 5: Solve for x
   x = 67,301,829.48/9,386.52
6. Step 6: Final answer
   x = 7,170.05