Finding the Fourth Proportional to 3,707.18, 5,114.71 and 2,645.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.18 : 5,114.71 = 2,645.12 : x
2. Step 2: Convert to fraction form
   3,707.18/5,114.71 = 2,645.12/x
3. Step 3: Cross multiply
   3,707.18x = 5,114.71 × 2,645.12
4. Step 4: Simplify right side
   3,707.18x = 13,529,021.72
5. Step 5: Solve for x
   x = 13,529,021.72/3,707.18
6. Step 6: Final answer
   x = 3,649.41