Finding the Fourth Proportional to 9,690.56, 13,372.16 and 5,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.56 : 13,372.16 = 5,498.56 : x
2. Step 2: Convert to fraction form
   9,690.56/13,372.16 = 5,498.56/x
3. Step 3: Cross multiply
   9,690.56x = 13,372.16 × 5,498.56
4. Step 4: Simplify right side
   9,690.56x = 73,527,624.09
5. Step 5: Solve for x
   x = 73,527,624.09/9,690.56
6. Step 6: Final answer
   x = 7,587.55