Finding the Fourth Proportional to 1,802.43, 2,705.18 and 707.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.43 : 2,705.18 = 707.56 : x
2. Step 2: Convert to fraction form
   1,802.43/2,705.18 = 707.56/x
3. Step 3: Cross multiply
   1,802.43x = 2,705.18 × 707.56
4. Step 4: Simplify right side
   1,802.43x = 1,914,066.86
5. Step 5: Solve for x
   x = 1,914,066.86/1,802.43
6. Step 6: Final answer
   x = 1,061.94