Finding the Fourth Proportional to 3,756.78, 5,635.98 and 2,117.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.78 : 5,635.98 = 2,117.34 : x
2. Step 2: Convert to fraction form
   3,756.78/5,635.98 = 2,117.34/x
3. Step 3: Cross multiply
   3,756.78x = 5,635.98 × 2,117.34
4. Step 4: Simplify right side
   3,756.78x = 11,933,285.89
5. Step 5: Solve for x
   x = 11,933,285.89/3,756.78
6. Step 6: Final answer
   x = 3,176.47