Finding the Fourth Proportional to 5,108.63, 7,662.76 and 1,411.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.63 : 7,662.76 = 1,411.07 : x
2. Step 2: Convert to fraction form
   5,108.63/7,662.76 = 1,411.07/x
3. Step 3: Cross multiply
   5,108.63x = 7,662.76 × 1,411.07
4. Step 4: Simplify right side
   5,108.63x = 10,812,648.91
5. Step 5: Solve for x
   x = 10,812,648.91/5,108.63
6. Step 6: Final answer
   x = 2,116.55