Finding the Fourth Proportional to 2,564.63, 3,846.59 and 1,003.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.63 : 3,846.59 = 1,003.55 : x
2. Step 2: Convert to fraction form
   2,564.63/3,846.59 = 1,003.55/x
3. Step 3: Cross multiply
   2,564.63x = 3,846.59 × 1,003.55
4. Step 4: Simplify right side
   2,564.63x = 3,860,221.14
5. Step 5: Solve for x
   x = 3,860,221.14/2,564.63
6. Step 6: Final answer
   x = 1,505.18