Finding the Fourth Proportional to 7,848.34, 10,831.57 and 5,018.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,848.34 : 10,831.57 = 5,018.30 : x
2. Step 2: Convert to fraction form
   7,848.34/10,831.57 = 5,018.30/x
3. Step 3: Cross multiply
   7,848.34x = 10,831.57 × 5,018.30
4. Step 4: Simplify right side
   7,848.34x = 54,356,067.73
5. Step 5: Solve for x
   x = 54,356,067.73/7,848.34
6. Step 6: Final answer
   x = 6,925.80