Finding the Fourth Proportional to 3,756.78, 5,636.52 and 2,526.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.78 : 5,636.52 = 2,526.53 : x
2. Step 2: Convert to fraction form
   3,756.78/5,636.52 = 2,526.53/x
3. Step 3: Cross multiply
   3,756.78x = 5,636.52 × 2,526.53
4. Step 4: Simplify right side
   3,756.78x = 14,240,808.69
5. Step 5: Solve for x
   x = 14,240,808.69/3,756.78
6. Step 6: Final answer
   x = 3,790.70