Finding the Fourth Proportional to 1,746.69, 2,620.53 and 707.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.69 : 2,620.53 = 707.42 : x
2. Step 2: Convert to fraction form
   1,746.69/2,620.53 = 707.42/x
3. Step 3: Cross multiply
   1,746.69x = 2,620.53 × 707.42
4. Step 4: Simplify right side
   1,746.69x = 1,853,815.33
5. Step 5: Solve for x
   x = 1,853,815.33/1,746.69
6. Step 6: Final answer
   x = 1,061.33