Finding the Fourth Proportional to 3,705.78, 5,552.34 and 3,238.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.78 : 5,552.34 = 3,238.40 : x
2. Step 2: Convert to fraction form
   3,705.78/5,552.34 = 3,238.40/x
3. Step 3: Cross multiply
   3,705.78x = 5,552.34 × 3,238.40
4. Step 4: Simplify right side
   3,705.78x = 17,980,697.86
5. Step 5: Solve for x
   x = 17,980,697.86/3,705.78
6. Step 6: Final answer
   x = 4,852.07