Finding the Fourth Proportional to 19,168.02, 28,747.71 and 5,318.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,168.02 : 28,747.71 = 5,318.10 : x
2. Step 2: Convert to fraction form
   19,168.02/28,747.71 = 5,318.10/x
3. Step 3: Cross multiply
   19,168.02x = 28,747.71 × 5,318.10
4. Step 4: Simplify right side
   19,168.02x = 152,883,196.55
5. Step 5: Solve for x
   x = 152,883,196.55/19,168.02
6. Step 6: Final answer
   x = 7,975.95