Finding the Fourth Proportional to 9,487.12, 13,091.24 and 5,507.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,487.12 : 13,091.24 = 5,507.46 : x
2. Step 2: Convert to fraction form
   9,487.12/13,091.24 = 5,507.46/x
3. Step 3: Cross multiply
   9,487.12x = 13,091.24 × 5,507.46
4. Step 4: Simplify right side
   9,487.12x = 72,099,420.39
5. Step 5: Solve for x
   x = 72,099,420.39/9,487.12
6. Step 6: Final answer
   x = 7,599.71