Finding the Fourth Proportional to 10,978.72, 16,468.17 and 3,583.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.72 : 16,468.17 = 3,583.03 : x
2. Step 2: Convert to fraction form
   10,978.72/16,468.17 = 3,583.03/x
3. Step 3: Cross multiply
   10,978.72x = 16,468.17 × 3,583.03
4. Step 4: Simplify right side
   10,978.72x = 59,005,947.16
5. Step 5: Solve for x
   x = 59,005,947.16/10,978.72
6. Step 6: Final answer
   x = 5,374.57