Finding the Fourth Proportional to 1,133.89, 1,700.37 and 518.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133.89 : 1,700.37 = 518.02 : x
2. Step 2: Convert to fraction form
   1,133.89/1,700.37 = 518.02/x
3. Step 3: Cross multiply
   1,133.89x = 1,700.37 × 518.02
4. Step 4: Simplify right side
   1,133.89x = 880,825.67
5. Step 5: Solve for x
   x = 880,825.67/1,133.89
6. Step 6: Final answer
   x = 776.82