Finding the Fourth Proportional to 6,156.31, 9,237.47 and 3,815.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,156.31 : 9,237.47 = 3,815.69 : x
2. Step 2: Convert to fraction form
   6,156.31/9,237.47 = 3,815.69/x
3. Step 3: Cross multiply
   6,156.31x = 9,237.47 × 3,815.69
4. Step 4: Simplify right side
   6,156.31x = 35,247,275.72
5. Step 5: Solve for x
   x = 35,247,275.72/6,156.31
6. Step 6: Final answer
   x = 5,725.39