Finding the Fourth Proportional to 2,651.95, 3,978.15 and 704.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.95 : 3,978.15 = 704.13 : x
2. Step 2: Convert to fraction form
   2,651.95/3,978.15 = 704.13/x
3. Step 3: Cross multiply
   2,651.95x = 3,978.15 × 704.13
4. Step 4: Simplify right side
   2,651.95x = 2,801,134.76
5. Step 5: Solve for x
   x = 2,801,134.76/2,651.95
6. Step 6: Final answer
   x = 1,056.25