Finding the Fourth Proportional to 3,693.30, 5,097.06 and 2,100.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.30 : 5,097.06 = 2,100.45 : x
2. Step 2: Convert to fraction form
   3,693.30/5,097.06 = 2,100.45/x
3. Step 3: Cross multiply
   3,693.30x = 5,097.06 × 2,100.45
4. Step 4: Simplify right side
   3,693.30x = 10,706,119.68
5. Step 5: Solve for x
   x = 10,706,119.68/3,693.30
6. Step 6: Final answer
   x = 2,898.80