Finding the Fourth Proportional to 9,486.16, 13,091.55 and 5,507.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.16 : 13,091.55 = 5,507.71 : x
2. Step 2: Convert to fraction form
   9,486.16/13,091.55 = 5,507.71/x
3. Step 3: Cross multiply
   9,486.16x = 13,091.55 × 5,507.71
4. Step 4: Simplify right side
   9,486.16x = 72,104,460.85
5. Step 5: Solve for x
   x = 72,104,460.85/9,486.16
6. Step 6: Final answer
   x = 7,601.02