Finding the Fourth Proportional to 19,287.52, 28,908.50 and 7,433.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,287.52 : 28,908.50 = 7,433.98 : x
2. Step 2: Convert to fraction form
   19,287.52/28,908.50 = 7,433.98/x
3. Step 3: Cross multiply
   19,287.52x = 28,908.50 × 7,433.98
4. Step 4: Simplify right side
   19,287.52x = 214,905,101.39
5. Step 5: Solve for x
   x = 214,905,101.39/19,287.52
6. Step 6: Final answer
   x = 11,142.19