Finding the Fourth Proportional to 11,400.60, 17,100.88 and 3,610

Step by Step Solution

1. Step 1: Write the proportion equation
   11,400.60 : 17,100.88 = 3,610 : x
2. Step 2: Convert to fraction form
   11,400.60/17,100.88 = 3,610/x
3. Step 3: Cross multiply
   11,400.60x = 17,100.88 × 3,610
4. Step 4: Simplify right side
   11,400.60x = 61,734,176.80
5. Step 5: Solve for x
   x = 61,734,176.80/11,400.60
6. Step 6: Final answer
   x = 5,414.99