Finding the Fourth Proportional to 3,699.19, 5,105.60 and 2,374.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.19 : 5,105.60 = 2,374.57 : x
2. Step 2: Convert to fraction form
   3,699.19/5,105.60 = 2,374.57/x
3. Step 3: Cross multiply
   3,699.19x = 5,105.60 × 2,374.57
4. Step 4: Simplify right side
   3,699.19x = 12,123,604.59
5. Step 5: Solve for x
   x = 12,123,604.59/3,699.19
6. Step 6: Final answer
   x = 3,277.37