Finding the Fourth Proportional to 5,380.17, 8,070.72 and 1,484.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,380.17 : 8,070.72 = 1,484.57 : x
2. Step 2: Convert to fraction form
   5,380.17/8,070.72 = 1,484.57/x
3. Step 3: Cross multiply
   5,380.17x = 8,070.72 × 1,484.57
4. Step 4: Simplify right side
   5,380.17x = 11,981,563.40
5. Step 5: Solve for x
   x = 11,981,563.40/5,380.17
6. Step 6: Final answer
   x = 2,226.99