Finding the Fourth Proportional to 9,690.19, 13,372.88 and 5,498.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.19 : 13,372.88 = 5,498.83 : x
2. Step 2: Convert to fraction form
   9,690.19/13,372.88 = 5,498.83/x
3. Step 3: Cross multiply
   9,690.19x = 13,372.88 × 5,498.83
4. Step 4: Simplify right side
   9,690.19x = 73,535,193.73
5. Step 5: Solve for x
   x = 73,535,193.73/9,690.19
6. Step 6: Final answer
   x = 7,588.62