Finding the Fourth Proportional to 28,083.99, 42,096.82 and 11,436.87

Step by Step Solution

1. Step 1: Write the proportion equation
   28,083.99 : 42,096.82 = 11,436.87 : x
2. Step 2: Convert to fraction form
   28,083.99/42,096.82 = 11,436.87/x
3. Step 3: Cross multiply
   28,083.99x = 42,096.82 × 11,436.87
4. Step 4: Simplify right side
   28,083.99x = 481,455,857.75
5. Step 5: Solve for x
   x = 481,455,857.75/28,083.99
6. Step 6: Final answer
   x = 17,143.43