Finding the Fourth Proportional to 10,406.88, 14,347.94 and 7,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.88 : 14,347.94 = 7,574.72 : x
2. Step 2: Convert to fraction form
   10,406.88/14,347.94 = 7,574.72/x
3. Step 3: Cross multiply
   10,406.88x = 14,347.94 × 7,574.72
4. Step 4: Simplify right side
   10,406.88x = 108,681,518.46
5. Step 5: Solve for x
   x = 108,681,518.46/10,406.88
6. Step 6: Final answer
   x = 10,443.24