Finding the Fourth Proportional to 35,440.72, 53,175.72 and 17,915.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,440.72 : 53,175.72 = 17,915.68 : x
2. Step 2: Convert to fraction form
   35,440.72/53,175.72 = 17,915.68/x
3. Step 3: Cross multiply
   35,440.72x = 53,175.72 × 17,915.68
4. Step 4: Simplify right side
   35,440.72x = 952,679,183.29
5. Step 5: Solve for x
   x = 952,679,183.29/35,440.72
6. Step 6: Final answer
   x = 26,880.92