Finding the Fourth Proportional to 2,973.34, 4,105.02 and 1,980.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.34 : 4,105.02 = 1,980.10 : x
2. Step 2: Convert to fraction form
   2,973.34/4,105.02 = 1,980.10/x
3. Step 3: Cross multiply
   2,973.34x = 4,105.02 × 1,980.10
4. Step 4: Simplify right side
   2,973.34x = 8,128,350.10
5. Step 5: Solve for x
   x = 8,128,350.10/2,973.34
6. Step 6: Final answer
   x = 2,733.74