Finding the Fourth Proportional to 10,452.15, 14,386.41 and 9,455.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,452.15 : 14,386.41 = 9,455.31 : x
2. Step 2: Convert to fraction form
   10,452.15/14,386.41 = 9,455.31/x
3. Step 3: Cross multiply
   10,452.15x = 14,386.41 × 9,455.31
4. Step 4: Simplify right side
   10,452.15x = 136,027,966.34
5. Step 5: Solve for x
   x = 136,027,966.34/10,452.15
6. Step 6: Final answer
   x = 13,014.35