Finding the Fourth Proportional to 3,705.82, 5,560.17 and 1,398.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.82 : 5,560.17 = 1,398.94 : x
2. Step 2: Convert to fraction form
   3,705.82/5,560.17 = 1,398.94/x
3. Step 3: Cross multiply
   3,705.82x = 5,560.17 × 1,398.94
4. Step 4: Simplify right side
   3,705.82x = 7,778,344.22
5. Step 5: Solve for x
   x = 7,778,344.22/3,705.82
6. Step 6: Final answer
   x = 2,098.95