Finding the Fourth Proportional to 1,400.99, 1,933.58 and 803.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.99 : 1,933.58 = 803.68 : x
2. Step 2: Convert to fraction form
   1,400.99/1,933.58 = 803.68/x
3. Step 3: Cross multiply
   1,400.99x = 1,933.58 × 803.68
4. Step 4: Simplify right side
   1,400.99x = 1,553,976.75
5. Step 5: Solve for x
   x = 1,553,976.75/1,400.99
6. Step 6: Final answer
   x = 1,109.20