Finding the Fourth Proportional to 11,435.96, 17,155.56 and 3,644.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,435.96 : 17,155.56 = 3,644.84 : x
2. Step 2: Convert to fraction form
   11,435.96/17,155.56 = 3,644.84/x
3. Step 3: Cross multiply
   11,435.96x = 17,155.56 × 3,644.84
4. Step 4: Simplify right side
   11,435.96x = 62,529,271.31
5. Step 5: Solve for x
   x = 62,529,271.31/11,435.96
6. Step 6: Final answer
   x = 5,467.78