Finding the Fourth Proportional to 9,485.56, 13,090.58 and 5,507.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.56 : 13,090.58 = 5,507.92 : x
2. Step 2: Convert to fraction form
   9,485.56/13,090.58 = 5,507.92/x
3. Step 3: Cross multiply
   9,485.56x = 13,090.58 × 5,507.92
4. Step 4: Simplify right side
   9,485.56x = 72,101,867.39
5. Step 5: Solve for x
   x = 72,101,867.39/9,485.56
6. Step 6: Final answer
   x = 7,601.22