Finding the Fourth Proportional to 2,513.79, 3,468.80 and 1,394.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.79 : 3,468.80 = 1,394.70 : x
2. Step 2: Convert to fraction form
   2,513.79/3,468.80 = 1,394.70/x
3. Step 3: Cross multiply
   2,513.79x = 3,468.80 × 1,394.70
4. Step 4: Simplify right side
   2,513.79x = 4,837,928.39
5. Step 5: Solve for x
   x = 4,837,928.39/2,513.79
6. Step 6: Final answer
   x = 1,924.56