Finding the Fourth Proportional to 2,129.82, 2,940.59 and 1,333.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129.82 : 2,940.59 = 1,333.45 : x
2. Step 2: Convert to fraction form
   2,129.82/2,940.59 = 1,333.45/x
3. Step 3: Cross multiply
   2,129.82x = 2,940.59 × 1,333.45
4. Step 4: Simplify right side
   2,129.82x = 3,921,129.74
5. Step 5: Solve for x
   x = 3,921,129.74/2,129.82
6. Step 6: Final answer
   x = 1,841.06