Finding the Fourth Proportional to 11,580.76, 17,367.49 and 3,787.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,580.76 : 17,367.49 = 3,787.75 : x
2. Step 2: Convert to fraction form
   11,580.76/17,367.49 = 3,787.75/x
3. Step 3: Cross multiply
   11,580.76x = 17,367.49 × 3,787.75
4. Step 4: Simplify right side
   11,580.76x = 65,783,710.25
5. Step 5: Solve for x
   x = 65,783,710.25/11,580.76
6. Step 6: Final answer
   x = 5,680.43