Finding the Fourth Proportional to 5,423.67, 7,483.15 and 3,407.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,423.67 : 7,483.15 = 3,407.31 : x
2. Step 2: Convert to fraction form
   5,423.67/7,483.15 = 3,407.31/x
3. Step 3: Cross multiply
   5,423.67x = 7,483.15 × 3,407.31
4. Step 4: Simplify right side
   5,423.67x = 25,497,411.83
5. Step 5: Solve for x
   x = 25,497,411.83/5,423.67
6. Step 6: Final answer
   x = 4,701.14