Finding the Fourth Proportional to 3,756.30, 5,629.59 and 2,521.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.30 : 5,629.59 = 2,521.86 : x
2. Step 2: Convert to fraction form
   3,756.30/5,629.59 = 2,521.86/x
3. Step 3: Cross multiply
   3,756.30x = 5,629.59 × 2,521.86
4. Step 4: Simplify right side
   3,756.30x = 14,197,037.84
5. Step 5: Solve for x
   x = 14,197,037.84/3,756.30
6. Step 6: Final answer
   x = 3,779.53