Finding the Fourth Proportional to 10,980.41, 16,472.88 and 4,407.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.41 : 16,472.88 = 4,407.10 : x
2. Step 2: Convert to fraction form
   10,980.41/16,472.88 = 4,407.10/x
3. Step 3: Cross multiply
   10,980.41x = 16,472.88 × 4,407.10
4. Step 4: Simplify right side
   10,980.41x = 72,597,588.27
5. Step 5: Solve for x
   x = 72,597,588.27/10,980.41
6. Step 6: Final answer
   x = 6,611.56