Finding the Fourth Proportional to 9,426.19, 12,974.83 and 8,310.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.19 : 12,974.83 = 8,310.01 : x
2. Step 2: Convert to fraction form
   9,426.19/12,974.83 = 8,310.01/x
3. Step 3: Cross multiply
   9,426.19x = 12,974.83 × 8,310.01
4. Step 4: Simplify right side
   9,426.19x = 107,820,967.05
5. Step 5: Solve for x
   x = 107,820,967.05/9,426.19
6. Step 6: Final answer
   x = 11,438.45