Finding the Fourth Proportional to 2,889.01, 4,333.47 and 697.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.01 : 4,333.47 = 697.72 : x
2. Step 2: Convert to fraction form
   2,889.01/4,333.47 = 697.72/x
3. Step 3: Cross multiply
   2,889.01x = 4,333.47 × 697.72
4. Step 4: Simplify right side
   2,889.01x = 3,023,548.69
5. Step 5: Solve for x
   x = 3,023,548.69/2,889.01
6. Step 6: Final answer
   x = 1,046.57