Finding the Fourth Proportional to 10,338.69, 15,502.16 and 7,055.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.69 : 15,502.16 = 7,055.76 : x
2. Step 2: Convert to fraction form
   10,338.69/15,502.16 = 7,055.76/x
3. Step 3: Cross multiply
   10,338.69x = 15,502.16 × 7,055.76
4. Step 4: Simplify right side
   10,338.69x = 109,379,485.16
5. Step 5: Solve for x
   x = 109,379,485.16/10,338.69
6. Step 6: Final answer
   x = 10,579.63