Finding the Fourth Proportional to 1,940.96, 2,909.17 and 707.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.96 : 2,909.17 = 707.59 : x
2. Step 2: Convert to fraction form
   1,940.96/2,909.17 = 707.59/x
3. Step 3: Cross multiply
   1,940.96x = 2,909.17 × 707.59
4. Step 4: Simplify right side
   1,940.96x = 2,058,483.78
5. Step 5: Solve for x
   x = 2,058,483.78/1,940.96
6. Step 6: Final answer
   x = 1,060.55