Finding the Fourth Proportional to 3,705.60, 5,114.24 and 2,134.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.60 : 5,114.24 = 2,134.40 : x
2. Step 2: Convert to fraction form
   3,705.60/5,114.24 = 2,134.40/x
3. Step 3: Cross multiply
   3,705.60x = 5,114.24 × 2,134.40
4. Step 4: Simplify right side
   3,705.60x = 10,915,833.86
5. Step 5: Solve for x
   x = 10,915,833.86/3,705.60
6. Step 6: Final answer
   x = 2,945.77