Finding the Fourth Proportional to 2,915.37, 4,370.42 and 1,065.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.37 : 4,370.42 = 1,065.18 : x
2. Step 2: Convert to fraction form
   2,915.37/4,370.42 = 1,065.18/x
3. Step 3: Cross multiply
   2,915.37x = 4,370.42 × 1,065.18
4. Step 4: Simplify right side
   2,915.37x = 4,655,283.98
5. Step 5: Solve for x
   x = 4,655,283.98/2,915.37
6. Step 6: Final answer
   x = 1,596.81