Finding the Fourth Proportional to 2,445.54, 3,667.88 and 713.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.54 : 3,667.88 = 713.76 : x
2. Step 2: Convert to fraction form
   2,445.54/3,667.88 = 713.76/x
3. Step 3: Cross multiply
   2,445.54x = 3,667.88 × 713.76
4. Step 4: Simplify right side
   2,445.54x = 2,617,986.03
5. Step 5: Solve for x
   x = 2,617,986.03/2,445.54
6. Step 6: Final answer
   x = 1,070.51