Finding the Fourth Proportional to 3,705.93, 5,112.86 and 2,133.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.93 : 5,112.86 = 2,133.72 : x
2. Step 2: Convert to fraction form
   3,705.93/5,112.86 = 2,133.72/x
3. Step 3: Cross multiply
   3,705.93x = 5,112.86 × 2,133.72
4. Step 4: Simplify right side
   3,705.93x = 10,909,400.97
5. Step 5: Solve for x
   x = 10,909,400.97/3,705.93
6. Step 6: Final answer
   x = 2,943.77