Finding the Fourth Proportional to 2,632.67, 3,948.53 and 877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.67 : 3,948.53 = 877.50 : x
2. Step 2: Convert to fraction form
   2,632.67/3,948.53 = 877.50/x
3. Step 3: Cross multiply
   2,632.67x = 3,948.53 × 877.50
4. Step 4: Simplify right side
   2,632.67x = 3,464,830.69
5. Step 5: Solve for x
   x = 3,464,830.69/2,632.67
6. Step 6: Final answer
   x = 1,316.09