Finding the Fourth Proportional to 1,713.60, 2,360.72 and 1,412.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.60 : 2,360.72 = 1,412.89 : x
2. Step 2: Convert to fraction form
   1,713.60/2,360.72 = 1,412.89/x
3. Step 3: Cross multiply
   1,713.60x = 2,360.72 × 1,412.89
4. Step 4: Simplify right side
   1,713.60x = 3,335,424.71
5. Step 5: Solve for x
   x = 3,335,424.71/1,713.60
6. Step 6: Final answer
   x = 1,946.44