Finding the Fourth Proportional to 2,913.87, 4,019.32 and 1,779.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913.87 : 4,019.32 = 1,779.01 : x
2. Step 2: Convert to fraction form
   2,913.87/4,019.32 = 1,779.01/x
3. Step 3: Cross multiply
   2,913.87x = 4,019.32 × 1,779.01
4. Step 4: Simplify right side
   2,913.87x = 7,150,410.47
5. Step 5: Solve for x
   x = 7,150,410.47/2,913.87
6. Step 6: Final answer
   x = 2,453.92