Finding the Fourth Proportional to 3,848.18, 5,768.15 and 1,382.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848.18 : 5,768.15 = 1,382.31 : x
2. Step 2: Convert to fraction form
   3,848.18/5,768.15 = 1,382.31/x
3. Step 3: Cross multiply
   3,848.18x = 5,768.15 × 1,382.31
4. Step 4: Simplify right side
   3,848.18x = 7,973,364.51
5. Step 5: Solve for x
   x = 7,973,364.51/3,848.18
6. Step 6: Final answer
   x = 2,071.99