Finding the Fourth Proportional to 3,693.61, 5,097.23 and 2,100.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.61 : 5,097.23 = 2,100.34 : x
2. Step 2: Convert to fraction form
   3,693.61/5,097.23 = 2,100.34/x
3. Step 3: Cross multiply
   3,693.61x = 5,097.23 × 2,100.34
4. Step 4: Simplify right side
   3,693.61x = 10,705,916.06
5. Step 5: Solve for x
   x = 10,705,916.06/3,693.61
6. Step 6: Final answer
   x = 2,898.50