Finding the Fourth Proportional to 11,859, 17,787.96 and 3,093.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,859 : 17,787.96 = 3,093.72 : x
2. Step 2: Convert to fraction form
   11,859/17,787.96 = 3,093.72/x
3. Step 3: Cross multiply
   11,859x = 17,787.96 × 3,093.72
4. Step 4: Simplify right side
   11,859x = 55,030,967.61
5. Step 5: Solve for x
   x = 55,030,967.61/11,859
6. Step 6: Final answer
   x = 4,640.44