Finding the Fourth Proportional to 12,413.31, 17,132.86 and 7,376.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413.31 : 17,132.86 = 7,376.56 : x
2. Step 2: Convert to fraction form
   12,413.31/17,132.86 = 7,376.56/x
3. Step 3: Cross multiply
   12,413.31x = 17,132.86 × 7,376.56
4. Step 4: Simplify right side
   12,413.31x = 126,381,629.18
5. Step 5: Solve for x
   x = 126,381,629.18/12,413.31
6. Step 6: Final answer
   x = 10,181.13