Finding the Fourth Proportional to 2,400.59, 3,312.79 and 1,338.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.59 : 3,312.79 = 1,338.34 : x
2. Step 2: Convert to fraction form
   2,400.59/3,312.79 = 1,338.34/x
3. Step 3: Cross multiply
   2,400.59x = 3,312.79 × 1,338.34
4. Step 4: Simplify right side
   2,400.59x = 4,433,627.74
5. Step 5: Solve for x
   x = 4,433,627.74/2,400.59
6. Step 6: Final answer
   x = 1,846.89