Finding the Fourth Proportional to 2,269.34, 3,131.52 and 1,384.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.34 : 3,131.52 = 1,384.96 : x
2. Step 2: Convert to fraction form
   2,269.34/3,131.52 = 1,384.96/x
3. Step 3: Cross multiply
   2,269.34x = 3,131.52 × 1,384.96
4. Step 4: Simplify right side
   2,269.34x = 4,337,029.94
5. Step 5: Solve for x
   x = 4,337,029.94/2,269.34
6. Step 6: Final answer
   x = 1,911.14