Finding the Fourth Proportional to 3,746.80, 5,610.61 and 3,635.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.80 : 5,610.61 = 3,635.94 : x
2. Step 2: Convert to fraction form
   3,746.80/5,610.61 = 3,635.94/x
3. Step 3: Cross multiply
   3,746.80x = 5,610.61 × 3,635.94
4. Step 4: Simplify right side
   3,746.80x = 20,399,818.01
5. Step 5: Solve for x
   x = 20,399,818.01/3,746.80
6. Step 6: Final answer
   x = 5,444.60