Finding the Fourth Proportional to 3,713.56, 5,124.86 and 2,141.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,713.56 : 5,124.86 = 2,141.80 : x
2. Step 2: Convert to fraction form
   3,713.56/5,124.86 = 2,141.80/x
3. Step 3: Cross multiply
   3,713.56x = 5,124.86 × 2,141.80
4. Step 4: Simplify right side
   3,713.56x = 10,976,425.15
5. Step 5: Solve for x
   x = 10,976,425.15/3,713.56
6. Step 6: Final answer
   x = 2,955.77