Finding the Fourth Proportional to 28,047.86, 42,075.98 and 8,324.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,047.86 : 42,075.98 = 8,324.10 : x
2. Step 2: Convert to fraction form
   28,047.86/42,075.98 = 8,324.10/x
3. Step 3: Cross multiply
   28,047.86x = 42,075.98 × 8,324.10
4. Step 4: Simplify right side
   28,047.86x = 350,244,665.12
5. Step 5: Solve for x
   x = 350,244,665.12/28,047.86
6. Step 6: Final answer
   x = 12,487.39