Finding the Fourth Proportional to 2,961.53, 4,438.86 and 2,380.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.53 : 4,438.86 = 2,380.15 : x
2. Step 2: Convert to fraction form
   2,961.53/4,438.86 = 2,380.15/x
3. Step 3: Cross multiply
   2,961.53x = 4,438.86 × 2,380.15
4. Step 4: Simplify right side
   2,961.53x = 10,565,130.43
5. Step 5: Solve for x
   x = 10,565,130.43/2,961.53
6. Step 6: Final answer
   x = 3,567.46