Finding the Fourth Proportional to 2,733.31, 4,100.17 and 785.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.31 : 4,100.17 = 785.67 : x
2. Step 2: Convert to fraction form
   2,733.31/4,100.17 = 785.67/x
3. Step 3: Cross multiply
   2,733.31x = 4,100.17 × 785.67
4. Step 4: Simplify right side
   2,733.31x = 3,221,380.56
5. Step 5: Solve for x
   x = 3,221,380.56/2,733.31
6. Step 6: Final answer
   x = 1,178.56