Finding the Fourth Proportional to 2,985.39, 4,478.49 and 1,037.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.39 : 4,478.49 = 1,037.34 : x
2. Step 2: Convert to fraction form
   2,985.39/4,478.49 = 1,037.34/x
3. Step 3: Cross multiply
   2,985.39x = 4,478.49 × 1,037.34
4. Step 4: Simplify right side
   2,985.39x = 4,645,716.82
5. Step 5: Solve for x
   x = 4,645,716.82/2,985.39
6. Step 6: Final answer
   x = 1,556.15