Finding the Fourth Proportional to 9,974.84, 13,765.20 and 5,499.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.84 : 13,765.20 = 5,499.08 : x
2. Step 2: Convert to fraction form
   9,974.84/13,765.20 = 5,499.08/x
3. Step 3: Cross multiply
   9,974.84x = 13,765.20 × 5,499.08
4. Step 4: Simplify right side
   9,974.84x = 75,695,936.02
5. Step 5: Solve for x
   x = 75,695,936.02/9,974.84
6. Step 6: Final answer
   x = 7,588.69