Finding the Fourth Proportional to 9,427.49, 13,009.18 and 5,448.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,427.49 : 13,009.18 = 5,448.86 : x
2. Step 2: Convert to fraction form
   9,427.49/13,009.18 = 5,448.86/x
3. Step 3: Cross multiply
   9,427.49x = 13,009.18 × 5,448.86
4. Step 4: Simplify right side
   9,427.49x = 70,885,173.29
5. Step 5: Solve for x
   x = 70,885,173.29/9,427.49
6. Step 6: Final answer
   x = 7,518.99