Finding the Fourth Proportional to 3,673.16, 5,069.18 and 2,101.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.16 : 5,069.18 = 2,101.76 : x
2. Step 2: Convert to fraction form
   3,673.16/5,069.18 = 2,101.76/x
3. Step 3: Cross multiply
   3,673.16x = 5,069.18 × 2,101.76
4. Step 4: Simplify right side
   3,673.16x = 10,654,199.76
5. Step 5: Solve for x
   x = 10,654,199.76/3,673.16
6. Step 6: Final answer
   x = 2,900.55