Finding the Fourth Proportional to 2,985.49, 4,478.96 and 1,037.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.49 : 4,478.96 = 1,037.89 : x
2. Step 2: Convert to fraction form
   2,985.49/4,478.96 = 1,037.89/x
3. Step 3: Cross multiply
   2,985.49x = 4,478.96 × 1,037.89
4. Step 4: Simplify right side
   2,985.49x = 4,648,667.79
5. Step 5: Solve for x
   x = 4,648,667.79/2,985.49
6. Step 6: Final answer
   x = 1,557.09