Finding the Fourth Proportional to 5,105.37, 7,656.17 and 1,817.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.37 : 7,656.17 = 1,817.58 : x
2. Step 2: Convert to fraction form
   5,105.37/7,656.17 = 1,817.58/x
3. Step 3: Cross multiply
   5,105.37x = 7,656.17 × 1,817.58
4. Step 4: Simplify right side
   5,105.37x = 13,915,692.38
5. Step 5: Solve for x
   x = 13,915,692.38/5,105.37
6. Step 6: Final answer
   x = 2,725.70