Finding the Fourth Proportional to 1,980.54, 2,968.98 and 1,816.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.54 : 2,968.98 = 1,816.52 : x
2. Step 2: Convert to fraction form
   1,980.54/2,968.98 = 1,816.52/x
3. Step 3: Cross multiply
   1,980.54x = 2,968.98 × 1,816.52
4. Step 4: Simplify right side
   1,980.54x = 5,393,196.70
5. Step 5: Solve for x
   x = 5,393,196.70/1,980.54
6. Step 6: Final answer
   x = 2,723.09