Finding the Fourth Proportional to 9,486.79, 13,086.33 and 5,507.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.79 : 13,086.33 = 5,507.39 : x
2. Step 2: Convert to fraction form
   9,486.79/13,086.33 = 5,507.39/x
3. Step 3: Cross multiply
   9,486.79x = 13,086.33 × 5,507.39
4. Step 4: Simplify right side
   9,486.79x = 72,071,535.04
5. Step 5: Solve for x
   x = 72,071,535.04/9,486.79
6. Step 6: Final answer
   x = 7,597.04