Finding the Fourth Proportional to 11,700.87, 17,554.37 and 3,381.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,700.87 : 17,554.37 = 3,381.54 : x
2. Step 2: Convert to fraction form
   11,700.87/17,554.37 = 3,381.54/x
3. Step 3: Cross multiply
   11,700.87x = 17,554.37 × 3,381.54
4. Step 4: Simplify right side
   11,700.87x = 59,360,787.42
5. Step 5: Solve for x
   x = 59,360,787.42/11,700.87
6. Step 6: Final answer
   x = 5,073.19