Finding the Fourth Proportional to 3,413.00, 5,118.86 and 947.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.00 : 5,118.86 = 947.16 : x
2. Step 2: Convert to fraction form
   3,413.00/5,118.86 = 947.16/x
3. Step 3: Cross multiply
   3,413.00x = 5,118.86 × 947.16
4. Step 4: Simplify right side
   3,413.00x = 4,848,381.81
5. Step 5: Solve for x
   x = 4,848,381.81/3,413.00
6. Step 6: Final answer
   x = 1,420.56