Finding the Fourth Proportional to 10,815.94, 14,912.47 and 9,026.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,815.94 : 14,912.47 = 9,026.00 : x
2. Step 2: Convert to fraction form
   10,815.94/14,912.47 = 9,026.00/x
3. Step 3: Cross multiply
   10,815.94x = 14,912.47 × 9,026.00
4. Step 4: Simplify right side
   10,815.94x = 134,599,890.94
5. Step 5: Solve for x
   x = 134,599,890.94/10,815.94
6. Step 6: Final answer
   x = 12,444.59