Finding the Fourth Proportional to 5,328.82, 7,356.42 and 4,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,328.82 : 7,356.42 = 4,131.10 : x
2. Step 2: Convert to fraction form
   5,328.82/7,356.42 = 4,131.10/x
3. Step 3: Cross multiply
   5,328.82x = 7,356.42 × 4,131.10
4. Step 4: Simplify right side
   5,328.82x = 30,390,106.66
5. Step 5: Solve for x
   x = 30,390,106.66/5,328.82
6. Step 6: Final answer
   x = 5,702.97