Finding the Fourth Proportional to 2,733.59, 4,100.56 and 785.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.59 : 4,100.56 = 785.81 : x
2. Step 2: Convert to fraction form
   2,733.59/4,100.56 = 785.81/x
3. Step 3: Cross multiply
   2,733.59x = 4,100.56 × 785.81
4. Step 4: Simplify right side
   2,733.59x = 3,222,257.12
5. Step 5: Solve for x
   x = 3,222,257.12/2,733.59
6. Step 6: Final answer
   x = 1,178.76