Finding the Fourth Proportional to 10,453.56, 14,417.04 and 7,438.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.56 : 14,417.04 = 7,438.80 : x
2. Step 2: Convert to fraction form
   10,453.56/14,417.04 = 7,438.80/x
3. Step 3: Cross multiply
   10,453.56x = 14,417.04 × 7,438.80
4. Step 4: Simplify right side
   10,453.56x = 107,245,477.15
5. Step 5: Solve for x
   x = 107,245,477.15/10,453.56
6. Step 6: Final answer
   x = 10,259.23