Finding the Fourth Proportional to 3,748.81, 5,616.06 and 2,100.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.81 : 5,616.06 = 2,100.37 : x
2. Step 2: Convert to fraction form
   3,748.81/5,616.06 = 2,100.37/x
3. Step 3: Cross multiply
   3,748.81x = 5,616.06 × 2,100.37
4. Step 4: Simplify right side
   3,748.81x = 11,795,803.94
5. Step 5: Solve for x
   x = 11,795,803.94/3,748.81
6. Step 6: Final answer
   x = 3,146.55