Finding the Fourth Proportional to 1,059.84, 1,462.01 and 810.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.84 : 1,462.01 = 810.81 : x
2. Step 2: Convert to fraction form
   1,059.84/1,462.01 = 810.81/x
3. Step 3: Cross multiply
   1,059.84x = 1,462.01 × 810.81
4. Step 4: Simplify right side
   1,059.84x = 1,185,408.27
5. Step 5: Solve for x
   x = 1,185,408.27/1,059.84
6. Step 6: Final answer
   x = 1,118.48