Finding the Fourth Proportional to 10,980.15, 16,471.82 and 3,582.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.15 : 16,471.82 = 3,582.79 : x
2. Step 2: Convert to fraction form
   10,980.15/16,471.82 = 3,582.79/x
3. Step 3: Cross multiply
   10,980.15x = 16,471.82 × 3,582.79
4. Step 4: Simplify right side
   10,980.15x = 59,015,039.76
5. Step 5: Solve for x
   x = 59,015,039.76/10,980.15
6. Step 6: Final answer
   x = 5,374.70