Finding the Fourth Proportional to 12,453.98, 18,681.37 and 5,058.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.98 : 18,681.37 = 5,058.27 : x
2. Step 2: Convert to fraction form
   12,453.98/18,681.37 = 5,058.27/x
3. Step 3: Cross multiply
   12,453.98x = 18,681.37 × 5,058.27
4. Step 4: Simplify right side
   12,453.98x = 94,495,400.78
5. Step 5: Solve for x
   x = 94,495,400.78/12,453.98
6. Step 6: Final answer
   x = 7,587.57