Finding the Fourth Proportional to 5,406.82, 8,109.32 and 1,510.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406.82 : 8,109.32 = 1,510.31 : x
2. Step 2: Convert to fraction form
   5,406.82/8,109.32 = 1,510.31/x
3. Step 3: Cross multiply
   5,406.82x = 8,109.32 × 1,510.31
4. Step 4: Simplify right side
   5,406.82x = 12,247,599.81
5. Step 5: Solve for x
   x = 12,247,599.81/5,406.82
6. Step 6: Final answer
   x = 2,265.21