Finding the Fourth Proportional to 11,435.60, 17,154.63 and 3,642.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,435.60 : 17,154.63 = 3,642.59 : x
2. Step 2: Convert to fraction form
   11,435.60/17,154.63 = 3,642.59/x
3. Step 3: Cross multiply
   11,435.60x = 17,154.63 × 3,642.59
4. Step 4: Simplify right side
   11,435.60x = 62,487,283.69
5. Step 5: Solve for x
   x = 62,487,283.69/11,435.60
6. Step 6: Final answer
   x = 5,464.28