Finding the Fourth Proportional to 2,978,546.20, 4,468,043.96 and 928,948.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,546.20 : 4,468,043.96 = 928,948.12 : x
2. Step 2: Convert to fraction form
   2,978,546.20/4,468,043.96 = 928,948.12/x
3. Step 3: Cross multiply
   2,978,546.20x = 4,468,043.96 × 928,948.12
4. Step 4: Simplify right side
   2,978,546.20x = 4,150,581,036,719.36
5. Step 5: Solve for x
   x = 4,150,581,036,719.36/2,978,546.20
6. Step 6: Final answer
   x = 1,393,492.25