Finding the Fourth Proportional to 1,713.12, 2,364.22 and 1,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.12 : 2,364.22 = 1,292.72 : x
2. Step 2: Convert to fraction form
   1,713.12/2,364.22 = 1,292.72/x
3. Step 3: Cross multiply
   1,713.12x = 2,364.22 × 1,292.72
4. Step 4: Simplify right side
   1,713.12x = 3,056,274.48
5. Step 5: Solve for x
   x = 3,056,274.48/1,713.12
6. Step 6: Final answer
   x = 1,784.04