Finding the Fourth Proportional to 10,978.62, 16,468.46 and 3,583.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.62 : 16,468.46 = 3,583.07 : x
2. Step 2: Convert to fraction form
   10,978.62/16,468.46 = 3,583.07/x
3. Step 3: Cross multiply
   10,978.62x = 16,468.46 × 3,583.07
4. Step 4: Simplify right side
   10,978.62x = 59,007,644.97
5. Step 5: Solve for x
   x = 59,007,644.97/10,978.62
6. Step 6: Final answer
   x = 5,374.78