Finding the Fourth Proportional to 10,980.34, 16,471.94 and 3,582.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.34 : 16,471.94 = 3,582.20 : x
2. Step 2: Convert to fraction form
   10,980.34/16,471.94 = 3,582.20/x
3. Step 3: Cross multiply
   10,980.34x = 16,471.94 × 3,582.20
4. Step 4: Simplify right side
   10,980.34x = 59,005,783.47
5. Step 5: Solve for x
   x = 59,005,783.47/10,980.34
6. Step 6: Final answer
   x = 5,373.77