Finding the Fourth Proportional to 2,831.34, 4,267.98 and 2,347.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.34 : 4,267.98 = 2,347.47 : x
2. Step 2: Convert to fraction form
   2,831.34/4,267.98 = 2,347.47/x
3. Step 3: Cross multiply
   2,831.34x = 4,267.98 × 2,347.47
4. Step 4: Simplify right side
   2,831.34x = 10,018,955.01
5. Step 5: Solve for x
   x = 10,018,955.01/2,831.34
6. Step 6: Final answer
   x = 3,538.59