Finding the Fourth Proportional to 3,492.93, 4,819.89 and 1,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492.93 : 4,819.89 = 1,980.56 : x
2. Step 2: Convert to fraction form
   3,492.93/4,819.89 = 1,980.56/x
3. Step 3: Cross multiply
   3,492.93x = 4,819.89 × 1,980.56
4. Step 4: Simplify right side
   3,492.93x = 9,546,047.34
5. Step 5: Solve for x
   x = 9,546,047.34/3,492.93
6. Step 6: Final answer
   x = 2,732.96