Finding the Fourth Proportional to 10,978.88, 16,468.27 and 3,583.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.88 : 16,468.27 = 3,583.31 : x
2. Step 2: Convert to fraction form
   10,978.88/16,468.27 = 3,583.31/x
3. Step 3: Cross multiply
   10,978.88x = 16,468.27 × 3,583.31
4. Step 4: Simplify right side
   10,978.88x = 59,010,916.57
5. Step 5: Solve for x
   x = 59,010,916.57/10,978.88
6. Step 6: Final answer
   x = 5,374.95