Finding the Fourth Proportional to 10,406.31, 14,355.27 and 7,050.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.31 : 14,355.27 = 7,050.30 : x
2. Step 2: Convert to fraction form
   10,406.31/14,355.27 = 7,050.30/x
3. Step 3: Cross multiply
   10,406.31x = 14,355.27 × 7,050.30
4. Step 4: Simplify right side
   10,406.31x = 101,208,960.08
5. Step 5: Solve for x
   x = 101,208,960.08/10,406.31
6. Step 6: Final answer
   x = 9,725.73