Finding the Fourth Proportional to 9,310.01, 13,969.57 and 4,380.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.01 : 13,969.57 = 4,380.15 : x
2. Step 2: Convert to fraction form
   9,310.01/13,969.57 = 4,380.15/x
3. Step 3: Cross multiply
   9,310.01x = 13,969.57 × 4,380.15
4. Step 4: Simplify right side
   9,310.01x = 61,188,812.04
5. Step 5: Solve for x
   x = 61,188,812.04/9,310.01
6. Step 6: Final answer
   x = 6,572.37