Finding the Fourth Proportional to 1,173.12, 1,758.89 and 803.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.12 : 1,758.89 = 803.00 : x
2. Step 2: Convert to fraction form
   1,173.12/1,758.89 = 803.00/x
3. Step 3: Cross multiply
   1,173.12x = 1,758.89 × 803.00
4. Step 4: Simplify right side
   1,173.12x = 1,412,381.88
5. Step 5: Solve for x
   x = 1,412,381.88/1,173.12
6. Step 6: Final answer
   x = 1,203.95