Finding the Fourth Proportional to 1,710.69, 2,360.31 and 1,047.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.69 : 2,360.31 = 1,047.30 : x
2. Step 2: Convert to fraction form
   1,710.69/2,360.31 = 1,047.30/x
3. Step 3: Cross multiply
   1,710.69x = 2,360.31 × 1,047.30
4. Step 4: Simplify right side
   1,710.69x = 2,471,952.66
5. Step 5: Solve for x
   x = 2,471,952.66/1,710.69
6. Step 6: Final answer
   x = 1,445.00