Finding the Fourth Proportional to 14,103.09, 19,462.28 and 7,815.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,103.09 : 19,462.28 = 7,815.47 : x
2. Step 2: Convert to fraction form
   14,103.09/19,462.28 = 7,815.47/x
3. Step 3: Cross multiply
   14,103.09x = 19,462.28 × 7,815.47
4. Step 4: Simplify right side
   14,103.09x = 152,106,729.08
5. Step 5: Solve for x
   x = 152,106,729.08/14,103.09
6. Step 6: Final answer
   x = 10,785.35