Finding the Fourth Proportional to 2,347.89, 3,504.69 and 2,174.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.89 : 3,504.69 = 2,174.45 : x
2. Step 2: Convert to fraction form
   2,347.89/3,504.69 = 2,174.45/x
3. Step 3: Cross multiply
   2,347.89x = 3,504.69 × 2,174.45
4. Step 4: Simplify right side
   2,347.89x = 7,620,761.76
5. Step 5: Solve for x
   x = 7,620,761.76/2,347.89
6. Step 6: Final answer
   x = 3,245.80