Finding the Fourth Proportional to 2,245.93, 3,367.78 and 784.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.93 : 3,367.78 = 784.89 : x
2. Step 2: Convert to fraction form
   2,245.93/3,367.78 = 784.89/x
3. Step 3: Cross multiply
   2,245.93x = 3,367.78 × 784.89
4. Step 4: Simplify right side
   2,245.93x = 2,643,334.88
5. Step 5: Solve for x
   x = 2,643,334.88/2,245.93
6. Step 6: Final answer
   x = 1,176.95