Finding the Fourth Proportional to 2,884.02, 4,327.78 and 1,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.02 : 4,327.78 = 1,152.50 : x
2. Step 2: Convert to fraction form
   2,884.02/4,327.78 = 1,152.50/x
3. Step 3: Cross multiply
   2,884.02x = 4,327.78 × 1,152.50
4. Step 4: Simplify right side
   2,884.02x = 4,987,766.45
5. Step 5: Solve for x
   x = 4,987,766.45/2,884.02
6. Step 6: Final answer
   x = 1,729.45