Finding the Fourth Proportional to 5,131.59, 7,111.35 and 5,033.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.59 : 7,111.35 = 5,033.16 : x
2. Step 2: Convert to fraction form
   5,131.59/7,111.35 = 5,033.16/x
3. Step 3: Cross multiply
   5,131.59x = 7,111.35 × 5,033.16
4. Step 4: Simplify right side
   5,131.59x = 35,792,562.37
5. Step 5: Solve for x
   x = 35,792,562.37/5,131.59
6. Step 6: Final answer
   x = 6,974.95