Finding the Fourth Proportional to 14,280.89, 21,420.81 and 3,750.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,280.89 : 21,420.81 = 3,750.82 : x
2. Step 2: Convert to fraction form
   14,280.89/21,420.81 = 3,750.82/x
3. Step 3: Cross multiply
   14,280.89x = 21,420.81 × 3,750.82
4. Step 4: Simplify right side
   14,280.89x = 80,345,549.01
5. Step 5: Solve for x
   x = 80,345,549.01/14,280.89
6. Step 6: Final answer
   x = 5,626.09