Finding the Fourth Proportional to 4,931.86, 6,807.82 and 3,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,931.86 : 6,807.82 = 3,068.50 : x
2. Step 2: Convert to fraction form
   4,931.86/6,807.82 = 3,068.50/x
3. Step 3: Cross multiply
   4,931.86x = 6,807.82 × 3,068.50
4. Step 4: Simplify right side
   4,931.86x = 20,889,795.67
5. Step 5: Solve for x
   x = 20,889,795.67/4,931.86
6. Step 6: Final answer
   x = 4,235.68