Finding the Fourth Proportional to 1,747.69, 2,620.83 and 707.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.69 : 2,620.83 = 707.48 : x
2. Step 2: Convert to fraction form
   1,747.69/2,620.83 = 707.48/x
3. Step 3: Cross multiply
   1,747.69x = 2,620.83 × 707.48
4. Step 4: Simplify right side
   1,747.69x = 1,854,184.81
5. Step 5: Solve for x
   x = 1,854,184.81/1,747.69
6. Step 6: Final answer
   x = 1,060.93