Finding the Fourth Proportional to 2,692.55, 3,715.38 and 1,558.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.55 : 3,715.38 = 1,558.41 : x
2. Step 2: Convert to fraction form
   2,692.55/3,715.38 = 1,558.41/x
3. Step 3: Cross multiply
   2,692.55x = 3,715.38 × 1,558.41
4. Step 4: Simplify right side
   2,692.55x = 5,790,085.35
5. Step 5: Solve for x
   x = 5,790,085.35/2,692.55
6. Step 6: Final answer
   x = 2,150.41