Finding the Fourth Proportional to 3,719.82, 5,131.86 and 2,126.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.82 : 5,131.86 = 2,126.22 : x
2. Step 2: Convert to fraction form
   3,719.82/5,131.86 = 2,126.22/x
3. Step 3: Cross multiply
   3,719.82x = 5,131.86 × 2,126.22
4. Step 4: Simplify right side
   3,719.82x = 10,911,463.37
5. Step 5: Solve for x
   x = 10,911,463.37/3,719.82
6. Step 6: Final answer
   x = 2,933.33