Finding the Fourth Proportional to 1,747.34, 2,620.72 and 707.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.34 : 2,620.72 = 707.07 : x
2. Step 2: Convert to fraction form
   1,747.34/2,620.72 = 707.07/x
3. Step 3: Cross multiply
   1,747.34x = 2,620.72 × 707.07
4. Step 4: Simplify right side
   1,747.34x = 1,853,032.49
5. Step 5: Solve for x
   x = 1,853,032.49/1,747.34
6. Step 6: Final answer
   x = 1,060.49