Finding the Fourth Proportional to 19,300.09, 28,958.46 and 7,462.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.09 : 28,958.46 = 7,462.20 : x
2. Step 2: Convert to fraction form
   19,300.09/28,958.46 = 7,462.20/x
3. Step 3: Cross multiply
   19,300.09x = 28,958.46 × 7,462.20
4. Step 4: Simplify right side
   19,300.09x = 216,093,801.78
5. Step 5: Solve for x
   x = 216,093,801.78/19,300.09
6. Step 6: Final answer
   x = 11,196.52