Finding the Fourth Proportional to 2,530.79, 3,796.77 and 887.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.79 : 3,796.77 = 887.46 : x
2. Step 2: Convert to fraction form
   2,530.79/3,796.77 = 887.46/x
3. Step 3: Cross multiply
   2,530.79x = 3,796.77 × 887.46
4. Step 4: Simplify right side
   2,530.79x = 3,369,481.50
5. Step 5: Solve for x
   x = 3,369,481.50/2,530.79
6. Step 6: Final answer
   x = 1,331.40