Finding the Fourth Proportional to 2,433.72, 3,649.80 and 789.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.72 : 3,649.80 = 789.93 : x
2. Step 2: Convert to fraction form
   2,433.72/3,649.80 = 789.93/x
3. Step 3: Cross multiply
   2,433.72x = 3,649.80 × 789.93
4. Step 4: Simplify right side
   2,433.72x = 2,883,086.51
5. Step 5: Solve for x
   x = 2,883,086.51/2,433.72
6. Step 6: Final answer
   x = 1,184.64