Finding the Fourth Proportional to 1,982.10, 2,957.59 and 1,807.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.10 : 2,957.59 = 1,807.48 : x
2. Step 2: Convert to fraction form
   1,982.10/2,957.59 = 1,807.48/x
3. Step 3: Cross multiply
   1,982.10x = 2,957.59 × 1,807.48
4. Step 4: Simplify right side
   1,982.10x = 5,345,784.77
5. Step 5: Solve for x
   x = 5,345,784.77/1,982.10
6. Step 6: Final answer
   x = 2,697.03