Finding the Fourth Proportional to 2,736.76, 4,104.28 and 887.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.76 : 4,104.28 = 887.46 : x
2. Step 2: Convert to fraction form
   2,736.76/4,104.28 = 887.46/x
3. Step 3: Cross multiply
   2,736.76x = 4,104.28 × 887.46
4. Step 4: Simplify right side
   2,736.76x = 3,642,384.33
5. Step 5: Solve for x
   x = 3,642,384.33/2,736.76
6. Step 6: Final answer
   x = 1,330.91