Finding the Fourth Proportional to 28,184.69, 42,283.52 and 8,463.62

Step by Step Solution

1. Step 1: Write the proportion equation
   28,184.69 : 42,283.52 = 8,463.62 : x
2. Step 2: Convert to fraction form
   28,184.69/42,283.52 = 8,463.62/x
3. Step 3: Cross multiply
   28,184.69x = 42,283.52 × 8,463.62
4. Step 4: Simplify right side
   28,184.69x = 357,871,645.54
5. Step 5: Solve for x
   x = 357,871,645.54/28,184.69
6. Step 6: Final answer
   x = 12,697.38