Finding the Fourth Proportional to 10,398.60, 14,345.78 and 7,559.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.60 : 14,345.78 = 7,559.76 : x
2. Step 2: Convert to fraction form
   10,398.60/14,345.78 = 7,559.76/x
3. Step 3: Cross multiply
   10,398.60x = 14,345.78 × 7,559.76
4. Step 4: Simplify right side
   10,398.60x = 108,450,600.98
5. Step 5: Solve for x
   x = 108,450,600.98/10,398.60
6. Step 6: Final answer
   x = 10,429.34