Finding the Fourth Proportional to 9,043.02, 13,563.72 and 3,119.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043.02 : 13,563.72 = 3,119.88 : x
2. Step 2: Convert to fraction form
   9,043.02/13,563.72 = 3,119.88/x
3. Step 3: Cross multiply
   9,043.02x = 13,563.72 × 3,119.88
4. Step 4: Simplify right side
   9,043.02x = 42,317,178.75
5. Step 5: Solve for x
   x = 42,317,178.75/9,043.02
6. Step 6: Final answer
   x = 4,679.54