Finding the Fourth Proportional to 3,142.47, 4,709.34 and 1,384.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.47 : 4,709.34 = 1,384.83 : x
2. Step 2: Convert to fraction form
   3,142.47/4,709.34 = 1,384.83/x
3. Step 3: Cross multiply
   3,142.47x = 4,709.34 × 1,384.83
4. Step 4: Simplify right side
   3,142.47x = 6,521,635.31
5. Step 5: Solve for x
   x = 6,521,635.31/3,142.47
6. Step 6: Final answer
   x = 2,075.32