Finding the Fourth Proportional to 1,053.02, 1,453.30 and 610.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.02 : 1,453.30 = 610.82 : x
2. Step 2: Convert to fraction form
   1,053.02/1,453.30 = 610.82/x
3. Step 3: Cross multiply
   1,053.02x = 1,453.30 × 610.82
4. Step 4: Simplify right side
   1,053.02x = 887,706.81
5. Step 5: Solve for x
   x = 887,706.81/1,053.02
6. Step 6: Final answer
   x = 843.01