Finding the Fourth Proportional to 9,690.84, 13,373.10 and 5,499

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.84 : 13,373.10 = 5,499 : x
2. Step 2: Convert to fraction form
   9,690.84/13,373.10 = 5,499/x
3. Step 3: Cross multiply
   9,690.84x = 13,373.10 × 5,499
4. Step 4: Simplify right side
   9,690.84x = 73,538,676.90
5. Step 5: Solve for x
   x = 73,538,676.90/9,690.84
6. Step 6: Final answer
   x = 7,588.47