Finding the Fourth Proportional to 9,995.89, 15,002.91 and 5,319.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.89 : 15,002.91 = 5,319.84 : x
2. Step 2: Convert to fraction form
   9,995.89/15,002.91 = 5,319.84/x
3. Step 3: Cross multiply
   9,995.89x = 15,002.91 × 5,319.84
4. Step 4: Simplify right side
   9,995.89x = 79,813,066.22
5. Step 5: Solve for x
   x = 79,813,066.22/9,995.89
6. Step 6: Final answer
   x = 7,984.59