Finding the Fourth Proportional to 5,109.76, 7,663.83 and 1,411.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.76 : 7,663.83 = 1,411.30 : x
2. Step 2: Convert to fraction form
   5,109.76/7,663.83 = 1,411.30/x
3. Step 3: Cross multiply
   5,109.76x = 7,663.83 × 1,411.30
4. Step 4: Simplify right side
   5,109.76x = 10,815,963.28
5. Step 5: Solve for x
   x = 10,815,963.28/5,109.76
6. Step 6: Final answer
   x = 2,116.73