Finding the Fourth Proportional to 9,448.86, 13,040.55 and 5,417.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,448.86 : 13,040.55 = 5,417.13 : x
2. Step 2: Convert to fraction form
   9,448.86/13,040.55 = 5,417.13/x
3. Step 3: Cross multiply
   9,448.86x = 13,040.55 × 5,417.13
4. Step 4: Simplify right side
   9,448.86x = 70,642,354.62
5. Step 5: Solve for x
   x = 70,642,354.62/9,448.86
6. Step 6: Final answer
   x = 7,476.28