Finding the Fourth Proportional to 2,885.63, 4,328.51 and 937.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885.63 : 4,328.51 = 937.83 : x
2. Step 2: Convert to fraction form
   2,885.63/4,328.51 = 937.83/x
3. Step 3: Cross multiply
   2,885.63x = 4,328.51 × 937.83
4. Step 4: Simplify right side
   2,885.63x = 4,059,401.64
5. Step 5: Solve for x
   x = 4,059,401.64/2,885.63
6. Step 6: Final answer
   x = 1,406.77