Finding the Fourth Proportional to 6,071.31, 8,378.79 and 3,681.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,071.31 : 8,378.79 = 3,681.51 : x
2. Step 2: Convert to fraction form
   6,071.31/8,378.79 = 3,681.51/x
3. Step 3: Cross multiply
   6,071.31x = 8,378.79 × 3,681.51
4. Step 4: Simplify right side
   6,071.31x = 30,846,599.17
5. Step 5: Solve for x
   x = 30,846,599.17/6,071.31
6. Step 6: Final answer
   x = 5,080.72