Finding the Fourth Proportional to 2,176.02, 3,264.18 and 877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.02 : 3,264.18 = 877.50 : x
2. Step 2: Convert to fraction form
   2,176.02/3,264.18 = 877.50/x
3. Step 3: Cross multiply
   2,176.02x = 3,264.18 × 877.50
4. Step 4: Simplify right side
   2,176.02x = 2,864,317.95
5. Step 5: Solve for x
   x = 2,864,317.95/2,176.02
6. Step 6: Final answer
   x = 1,316.31