Finding the Fourth Proportional to 2,915.55, 4,373.76 and 1,066.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.55 : 4,373.76 = 1,066.24 : x
2. Step 2: Convert to fraction form
   2,915.55/4,373.76 = 1,066.24/x
3. Step 3: Cross multiply
   2,915.55x = 4,373.76 × 1,066.24
4. Step 4: Simplify right side
   2,915.55x = 4,663,477.86
5. Step 5: Solve for x
   x = 4,663,477.86/2,915.55
6. Step 6: Final answer
   x = 1,599.52