Finding the Fourth Proportional to 19,270.72, 28,908.01 and 5,230.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,270.72 : 28,908.01 = 5,230.98 : x
2. Step 2: Convert to fraction form
   19,270.72/28,908.01 = 5,230.98/x
3. Step 3: Cross multiply
   19,270.72x = 28,908.01 × 5,230.98
4. Step 4: Simplify right side
   19,270.72x = 151,217,222.15
5. Step 5: Solve for x
   x = 151,217,222.15/19,270.72
6. Step 6: Final answer
   x = 7,846.99