Finding the Fourth Proportional to 3,705.29, 5,559.10 and 2,316.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.29 : 5,559.10 = 2,316.72 : x
2. Step 2: Convert to fraction form
   3,705.29/5,559.10 = 2,316.72/x
3. Step 3: Cross multiply
   3,705.29x = 5,559.10 × 2,316.72
4. Step 4: Simplify right side
   3,705.29x = 12,878,878.15
5. Step 5: Solve for x
   x = 12,878,878.15/3,705.29
6. Step 6: Final answer
   x = 3,475.81