Finding the Fourth Proportional to 9,995.42, 13,792.47 and 5,518.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.42 : 13,792.47 = 5,518.82 : x
2. Step 2: Convert to fraction form
   9,995.42/13,792.47 = 5,518.82/x
3. Step 3: Cross multiply
   9,995.42x = 13,792.47 × 5,518.82
4. Step 4: Simplify right side
   9,995.42x = 76,118,159.29
5. Step 5: Solve for x
   x = 76,118,159.29/9,995.42
6. Step 6: Final answer
   x = 7,615.30