Finding the Fourth Proportional to 9,486.16, 13,090.89 and 5,507.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.16 : 13,090.89 = 5,507.44 : x
2. Step 2: Convert to fraction form
   9,486.16/13,090.89 = 5,507.44/x
3. Step 3: Cross multiply
   9,486.16x = 13,090.89 × 5,507.44
4. Step 4: Simplify right side
   9,486.16x = 72,097,291.22
5. Step 5: Solve for x
   x = 72,097,291.22/9,486.16
6. Step 6: Final answer
   x = 7,600.26