Finding the Fourth Proportional to 2,975.98, 4,470.80 and 2,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,975.98 : 4,470.80 = 2,100.49 : x
2. Step 2: Convert to fraction form
   2,975.98/4,470.80 = 2,100.49/x
3. Step 3: Cross multiply
   2,975.98x = 4,470.80 × 2,100.49
4. Step 4: Simplify right side
   2,975.98x = 9,390,870.69
5. Step 5: Solve for x
   x = 9,390,870.69/2,975.98
6. Step 6: Final answer
   x = 3,155.56