Finding the Fourth Proportional to 2,971.69, 4,453.28 and 1,670.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.69 : 4,453.28 = 1,670.42 : x
2. Step 2: Convert to fraction form
   2,971.69/4,453.28 = 1,670.42/x
3. Step 3: Cross multiply
   2,971.69x = 4,453.28 × 1,670.42
4. Step 4: Simplify right side
   2,971.69x = 7,438,839.63
5. Step 5: Solve for x
   x = 7,438,839.63/2,971.69
6. Step 6: Final answer
   x = 2,503.24