Finding the Fourth Proportional to 11,555.84, 17,337.78 and 3,764.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,555.84 : 17,337.78 = 3,764.60 : x
2. Step 2: Convert to fraction form
   11,555.84/17,337.78 = 3,764.60/x
3. Step 3: Cross multiply
   11,555.84x = 17,337.78 × 3,764.60
4. Step 4: Simplify right side
   11,555.84x = 65,269,806.59
5. Step 5: Solve for x
   x = 65,269,806.59/11,555.84
6. Step 6: Final answer
   x = 5,648.21