Finding the Fourth Proportional to 2,288.79, 3,432.38 and 1,411.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.79 : 3,432.38 = 1,411.76 : x
2. Step 2: Convert to fraction form
   2,288.79/3,432.38 = 1,411.76/x
3. Step 3: Cross multiply
   2,288.79x = 3,432.38 × 1,411.76
4. Step 4: Simplify right side
   2,288.79x = 4,845,698.31
5. Step 5: Solve for x
   x = 4,845,698.31/2,288.79
6. Step 6: Final answer
   x = 2,117.14