Finding the Fourth Proportional to 3,933.21, 5,426.01 and 2,516.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.21 : 5,426.01 = 2,516.22 : x
2. Step 2: Convert to fraction form
   3,933.21/5,426.01 = 2,516.22/x
3. Step 3: Cross multiply
   3,933.21x = 5,426.01 × 2,516.22
4. Step 4: Simplify right side
   3,933.21x = 13,653,034.88
5. Step 5: Solve for x
   x = 13,653,034.88/3,933.21
6. Step 6: Final answer
   x = 3,471.22