Finding the Fourth Proportional to 1,713.56, 2,557.76 and 1,300.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.56 : 2,557.76 = 1,300.77 : x
2. Step 2: Convert to fraction form
   1,713.56/2,557.76 = 1,300.77/x
3. Step 3: Cross multiply
   1,713.56x = 2,557.76 × 1,300.77
4. Step 4: Simplify right side
   1,713.56x = 3,327,050.97
5. Step 5: Solve for x
   x = 3,327,050.97/1,713.56
6. Step 6: Final answer
   x = 1,941.61