Finding the Fourth Proportional to 9,091.98, 13,638.27 and 2,518.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.98 : 13,638.27 = 2,518.23 : x
2. Step 2: Convert to fraction form
   9,091.98/13,638.27 = 2,518.23/x
3. Step 3: Cross multiply
   9,091.98x = 13,638.27 × 2,518.23
4. Step 4: Simplify right side
   9,091.98x = 34,344,300.66
5. Step 5: Solve for x
   x = 34,344,300.66/9,091.98
6. Step 6: Final answer
   x = 3,777.43