Finding the Fourth Proportional to 1,040.00, 1,434.98 and 591.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.00 : 1,434.98 = 591.76 : x
2. Step 2: Convert to fraction form
   1,040.00/1,434.98 = 591.76/x
3. Step 3: Cross multiply
   1,040.00x = 1,434.98 × 591.76
4. Step 4: Simplify right side
   1,040.00x = 849,167.04
5. Step 5: Solve for x
   x = 849,167.04/1,040.00
6. Step 6: Final answer
   x = 816.51