Finding the Fourth Proportional to 1,400.07, 1,932.27 and 810.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.07 : 1,932.27 = 810.63 : x
2. Step 2: Convert to fraction form
   1,400.07/1,932.27 = 810.63/x
3. Step 3: Cross multiply
   1,400.07x = 1,932.27 × 810.63
4. Step 4: Simplify right side
   1,400.07x = 1,566,356.03
5. Step 5: Solve for x
   x = 1,566,356.03/1,400.07
6. Step 6: Final answer
   x = 1,118.77