Finding the Fourth Proportional to 10,123.18, 13,969.65 and 5,931.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.18 : 13,969.65 = 5,931.34 : x
2. Step 2: Convert to fraction form
   10,123.18/13,969.65 = 5,931.34/x
3. Step 3: Cross multiply
   10,123.18x = 13,969.65 × 5,931.34
4. Step 4: Simplify right side
   10,123.18x = 82,858,743.83
5. Step 5: Solve for x
   x = 82,858,743.83/10,123.18
6. Step 6: Final answer
   x = 8,185.05