Finding the Fourth Proportional to 2,985.61, 4,479.33 and 1,037.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.61 : 4,479.33 = 1,037.81 : x
2. Step 2: Convert to fraction form
   2,985.61/4,479.33 = 1,037.81/x
3. Step 3: Cross multiply
   2,985.61x = 4,479.33 × 1,037.81
4. Step 4: Simplify right side
   2,985.61x = 4,648,699.80
5. Step 5: Solve for x
   x = 4,648,699.80/2,985.61
6. Step 6: Final answer
   x = 1,557.04