Finding the Fourth Proportional to 10,019.97, 15,043.86 and 6,311.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.97 : 15,043.86 = 6,311.25 : x
2. Step 2: Convert to fraction form
   10,019.97/15,043.86 = 6,311.25/x
3. Step 3: Cross multiply
   10,019.97x = 15,043.86 × 6,311.25
4. Step 4: Simplify right side
   10,019.97x = 94,945,561.43
5. Step 5: Solve for x
   x = 94,945,561.43/10,019.97
6. Step 6: Final answer
   x = 9,475.63