Finding the Fourth Proportional to 10,338.32, 15,501.60 and 7,055.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.32 : 15,501.60 = 7,055.39 : x
2. Step 2: Convert to fraction form
   10,338.32/15,501.60 = 7,055.39/x
3. Step 3: Cross multiply
   10,338.32x = 15,501.60 × 7,055.39
4. Step 4: Simplify right side
   10,338.32x = 109,369,756.12
5. Step 5: Solve for x
   x = 109,369,756.12/10,338.32
6. Step 6: Final answer
   x = 10,579.07