Finding the Fourth Proportional to 7,815.98, 10,786.06 and 4,230.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,815.98 : 10,786.06 = 4,230.93 : x
2. Step 2: Convert to fraction form
   7,815.98/10,786.06 = 4,230.93/x
3. Step 3: Cross multiply
   7,815.98x = 10,786.06 × 4,230.93
4. Step 4: Simplify right side
   7,815.98x = 45,635,110.57
5. Step 5: Solve for x
   x = 45,635,110.57/7,815.98
6. Step 6: Final answer
   x = 5,838.69