Finding the Fourth Proportional to 3,699.06, 5,104.85 and 2,127.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.06 : 5,104.85 = 2,127.15 : x
2. Step 2: Convert to fraction form
   3,699.06/5,104.85 = 2,127.15/x
3. Step 3: Cross multiply
   3,699.06x = 5,104.85 × 2,127.15
4. Step 4: Simplify right side
   3,699.06x = 10,858,769.98
5. Step 5: Solve for x
   x = 10,858,769.98/3,699.06
6. Step 6: Final answer
   x = 2,935.55