Finding the Fourth Proportional to 3,992.48, 5,513.03 and 2,502.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.48 : 5,513.03 = 2,502.89 : x
2. Step 2: Convert to fraction form
   3,992.48/5,513.03 = 2,502.89/x
3. Step 3: Cross multiply
   3,992.48x = 5,513.03 × 2,502.89
4. Step 4: Simplify right side
   3,992.48x = 13,798,507.66
5. Step 5: Solve for x
   x = 13,798,507.66/3,992.48
6. Step 6: Final answer
   x = 3,456.12