Finding the Fourth Proportional to 14,103, 19,462.14 and 7,815.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,103 : 19,462.14 = 7,815.78 : x
2. Step 2: Convert to fraction form
   14,103/19,462.14 = 7,815.78/x
3. Step 3: Cross multiply
   14,103x = 19,462.14 × 7,815.78
4. Step 4: Simplify right side
   14,103x = 152,111,804.57
5. Step 5: Solve for x
   x = 152,111,804.57/14,103
6. Step 6: Final answer
   x = 10,785.78