Finding the Fourth Proportional to 3,642.33, 5,463.90 and 1,667.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.33 : 5,463.90 = 1,667.91 : x
2. Step 2: Convert to fraction form
   3,642.33/5,463.90 = 1,667.91/x
3. Step 3: Cross multiply
   3,642.33x = 5,463.90 × 1,667.91
4. Step 4: Simplify right side
   3,642.33x = 9,113,293.45
5. Step 5: Solve for x
   x = 9,113,293.45/3,642.33
6. Step 6: Final answer
   x = 2,502.05