Finding the Fourth Proportional to 3,723.51, 5,573.60 and 2,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,723.51 : 5,573.60 = 2,405.50 : x
2. Step 2: Convert to fraction form
   3,723.51/5,573.60 = 2,405.50/x
3. Step 3: Cross multiply
   3,723.51x = 5,573.60 × 2,405.50
4. Step 4: Simplify right side
   3,723.51x = 13,407,300.81
5. Step 5: Solve for x
   x = 13,407,300.81/3,723.51
6. Step 6: Final answer
   x = 3,600.72