Finding the Fourth Proportional to 12,562.96, 17,338.26 and 7,185.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.96 : 17,338.26 = 7,185.89 : x
2. Step 2: Convert to fraction form
   12,562.96/17,338.26 = 7,185.89/x
3. Step 3: Cross multiply
   12,562.96x = 17,338.26 × 7,185.89
4. Step 4: Simplify right side
   12,562.96x = 124,590,829.15
5. Step 5: Solve for x
   x = 124,590,829.15/12,562.96
6. Step 6: Final answer
   x = 9,917.31