Finding the Fourth Proportional to 3,756.88, 5,184.50 and 2,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.88 : 5,184.50 = 2,100.88 : x
2. Step 2: Convert to fraction form
   3,756.88/5,184.50 = 2,100.88/x
3. Step 3: Cross multiply
   3,756.88x = 5,184.50 × 2,100.88
4. Step 4: Simplify right side
   3,756.88x = 10,892,012.36
5. Step 5: Solve for x
   x = 10,892,012.36/3,756.88
6. Step 6: Final answer
   x = 2,899.22