Finding the Fourth Proportional to 2,915.86, 4,369.89 and 1,065.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.86 : 4,369.89 = 1,065.24 : x
2. Step 2: Convert to fraction form
   2,915.86/4,369.89 = 1,065.24/x
3. Step 3: Cross multiply
   2,915.86x = 4,369.89 × 1,065.24
4. Step 4: Simplify right side
   2,915.86x = 4,654,981.62
5. Step 5: Solve for x
   x = 4,654,981.62/2,915.86
6. Step 6: Final answer
   x = 1,596.44