Finding the Fourth Proportional to 1,707.52, 2,346.16 and 1,357.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.52 : 2,346.16 = 1,357.60 : x
2. Step 2: Convert to fraction form
   1,707.52/2,346.16 = 1,357.60/x
3. Step 3: Cross multiply
   1,707.52x = 2,346.16 × 1,357.60
4. Step 4: Simplify right side
   1,707.52x = 3,185,146.82
5. Step 5: Solve for x
   x = 3,185,146.82/1,707.52
6. Step 6: Final answer
   x = 1,865.36