Finding the Fourth Proportional to 10,925.85, 16,375.05 and 4,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.85 : 16,375.05 = 4,678.50 : x
2. Step 2: Convert to fraction form
   10,925.85/16,375.05 = 4,678.50/x
3. Step 3: Cross multiply
   10,925.85x = 16,375.05 × 4,678.50
4. Step 4: Simplify right side
   10,925.85x = 76,610,671.43
5. Step 5: Solve for x
   x = 76,610,671.43/10,925.85
6. Step 6: Final answer
   x = 7,011.87