Finding the Fourth Proportional to 9,919.02, 14,855.72 and 5,748.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919.02 : 14,855.72 = 5,748.70 : x
2. Step 2: Convert to fraction form
   9,919.02/14,855.72 = 5,748.70/x
3. Step 3: Cross multiply
   9,919.02x = 14,855.72 × 5,748.70
4. Step 4: Simplify right side
   9,919.02x = 85,401,077.56
5. Step 5: Solve for x
   x = 85,401,077.56/9,919.02
6. Step 6: Final answer
   x = 8,609.83