Finding the Fourth Proportional to 2,632.48, 3,945.96 and 877.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.48 : 3,945.96 = 877.02 : x
2. Step 2: Convert to fraction form
   2,632.48/3,945.96 = 877.02/x
3. Step 3: Cross multiply
   2,632.48x = 3,945.96 × 877.02
4. Step 4: Simplify right side
   2,632.48x = 3,460,685.84
5. Step 5: Solve for x
   x = 3,460,685.84/2,632.48
6. Step 6: Final answer
   x = 1,314.61