Finding the Fourth Proportional to 1,043.82, 1,439.51 and 711.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.82 : 1,439.51 = 711.59 : x
2. Step 2: Convert to fraction form
   1,043.82/1,439.51 = 711.59/x
3. Step 3: Cross multiply
   1,043.82x = 1,439.51 × 711.59
4. Step 4: Simplify right side
   1,043.82x = 1,024,330.17
5. Step 5: Solve for x
   x = 1,024,330.17/1,043.82
6. Step 6: Final answer
   x = 981.33