Finding the Fourth Proportional to 10,815.85, 14,925.86 and 6,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,815.85 : 14,925.86 = 6,100.43 : x
2. Step 2: Convert to fraction form
   10,815.85/14,925.86 = 6,100.43/x
3. Step 3: Cross multiply
   10,815.85x = 14,925.86 × 6,100.43
4. Step 4: Simplify right side
   10,815.85x = 91,054,216.69
5. Step 5: Solve for x
   x = 91,054,216.69/10,815.85
6. Step 6: Final answer
   x = 8,418.59