Finding the Fourth Proportional to 2,580.55, 3,887.27 and 2,356.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.55 : 3,887.27 = 2,356.38 : x
2. Step 2: Convert to fraction form
   2,580.55/3,887.27 = 2,356.38/x
3. Step 3: Cross multiply
   2,580.55x = 3,887.27 × 2,356.38
4. Step 4: Simplify right side
   2,580.55x = 9,159,885.28
5. Step 5: Solve for x
   x = 9,159,885.28/2,580.55
6. Step 6: Final answer
   x = 3,549.59