Finding the Fourth Proportional to 10,860.18, 14,980.20 and 8,338.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860.18 : 14,980.20 = 8,338.44 : x
2. Step 2: Convert to fraction form
   10,860.18/14,980.20 = 8,338.44/x
3. Step 3: Cross multiply
   10,860.18x = 14,980.20 × 8,338.44
4. Step 4: Simplify right side
   10,860.18x = 124,911,498.89
5. Step 5: Solve for x
   x = 124,911,498.89/10,860.18
6. Step 6: Final answer
   x = 11,501.79