Finding the Fourth Proportional to 5,290.83, 7,300.62 and 3,166.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290.83 : 7,300.62 = 3,166.56 : x
2. Step 2: Convert to fraction form
   5,290.83/7,300.62 = 3,166.56/x
3. Step 3: Cross multiply
   5,290.83x = 7,300.62 × 3,166.56
4. Step 4: Simplify right side
   5,290.83x = 23,117,851.27
5. Step 5: Solve for x
   x = 23,117,851.27/5,290.83
6. Step 6: Final answer
   x = 4,369.42