Finding the Fourth Proportional to 10,980.18, 16,472.82 and 3,188.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.18 : 16,472.82 = 3,188.76 : x
2. Step 2: Convert to fraction form
   10,980.18/16,472.82 = 3,188.76/x
3. Step 3: Cross multiply
   10,980.18x = 16,472.82 × 3,188.76
4. Step 4: Simplify right side
   10,980.18x = 52,527,869.50
5. Step 5: Solve for x
   x = 52,527,869.50/10,980.18
6. Step 6: Final answer
   x = 4,783.88