Finding the Fourth Proportional to 1,400.30, 1,932.17 and 810.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.30 : 1,932.17 = 810.73 : x
2. Step 2: Convert to fraction form
   1,400.30/1,932.17 = 810.73/x
3. Step 3: Cross multiply
   1,400.30x = 1,932.17 × 810.73
4. Step 4: Simplify right side
   1,400.30x = 1,566,468.18
5. Step 5: Solve for x
   x = 1,566,468.18/1,400.30
6. Step 6: Final answer
   x = 1,118.67