Finding the Fourth Proportional to 2,651.31, 3,977.16 and 703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.31 : 3,977.16 = 703.50 : x
2. Step 2: Convert to fraction form
   2,651.31/3,977.16 = 703.50/x
3. Step 3: Cross multiply
   2,651.31x = 3,977.16 × 703.50
4. Step 4: Simplify right side
   2,651.31x = 2,797,932.06
5. Step 5: Solve for x
   x = 2,797,932.06/2,651.31
6. Step 6: Final answer
   x = 1,055.30