Finding the Fourth Proportional to 7,892.79, 10,891.72 and 4,355.95

Step by Step Solution

1. Step 1: Write the proportion equation
   7,892.79 : 10,891.72 = 4,355.95 : x
2. Step 2: Convert to fraction form
   7,892.79/10,891.72 = 4,355.95/x
3. Step 3: Cross multiply
   7,892.79x = 10,891.72 × 4,355.95
4. Step 4: Simplify right side
   7,892.79x = 47,443,787.73
5. Step 5: Solve for x
   x = 47,443,787.73/7,892.79
6. Step 6: Final answer
   x = 6,011.03