Finding the Fourth Proportional to 6,910.69, 10,366.00 and 1,980.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.69 : 10,366.00 = 1,980.32 : x
2. Step 2: Convert to fraction form
   6,910.69/10,366.00 = 1,980.32/x
3. Step 3: Cross multiply
   6,910.69x = 10,366.00 × 1,980.32
4. Step 4: Simplify right side
   6,910.69x = 20,527,987.22
5. Step 5: Solve for x
   x = 20,527,987.22/6,910.69
6. Step 6: Final answer
   x = 2,970.47