Finding the Fourth Proportional to 3,770.25, 5,661.86 and 3,426.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.25 : 5,661.86 = 3,426.81 : x
2. Step 2: Convert to fraction form
   3,770.25/5,661.86 = 3,426.81/x
3. Step 3: Cross multiply
   3,770.25x = 5,661.86 × 3,426.81
4. Step 4: Simplify right side
   3,770.25x = 19,402,101.33
5. Step 5: Solve for x
   x = 19,402,101.33/3,770.25
6. Step 6: Final answer
   x = 5,146.10