Finding the Fourth Proportional to 1,940.06, 2,910.33 and 707.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.06 : 2,910.33 = 707.31 : x
2. Step 2: Convert to fraction form
   1,940.06/2,910.33 = 707.31/x
3. Step 3: Cross multiply
   1,940.06x = 2,910.33 × 707.31
4. Step 4: Simplify right side
   1,940.06x = 2,058,505.51
5. Step 5: Solve for x
   x = 2,058,505.51/1,940.06
6. Step 6: Final answer
   x = 1,061.05