Finding the Fourth Proportional to 2,405.62, 3,320.01 and 1,357.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.62 : 3,320.01 = 1,357.48 : x
2. Step 2: Convert to fraction form
   2,405.62/3,320.01 = 1,357.48/x
3. Step 3: Cross multiply
   2,405.62x = 3,320.01 × 1,357.48
4. Step 4: Simplify right side
   2,405.62x = 4,506,847.17
5. Step 5: Solve for x
   x = 4,506,847.17/2,405.62
6. Step 6: Final answer
   x = 1,873.47