Finding the Fourth Proportional to 2,915.69, 4,372.46 and 1,066.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.69 : 4,372.46 = 1,066.26 : x
2. Step 2: Convert to fraction form
   2,915.69/4,372.46 = 1,066.26/x
3. Step 3: Cross multiply
   2,915.69x = 4,372.46 × 1,066.26
4. Step 4: Simplify right side
   2,915.69x = 4,662,179.20
5. Step 5: Solve for x
   x = 4,662,179.20/2,915.69
6. Step 6: Final answer
   x = 1,599.00