Finding the Fourth Proportional to 3,705.68, 5,111.43 and 2,377.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.68 : 5,111.43 = 2,377.28 : x
2. Step 2: Convert to fraction form
   3,705.68/5,111.43 = 2,377.28/x
3. Step 3: Cross multiply
   3,705.68x = 5,111.43 × 2,377.28
4. Step 4: Simplify right side
   3,705.68x = 12,151,300.31
5. Step 5: Solve for x
   x = 12,151,300.31/3,705.68
6. Step 6: Final answer
   x = 3,279.10