Finding the Fourth Proportional to 11,156.50, 16,734.79 and 2,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,156.50 : 16,734.79 = 2,948.50 : x
2. Step 2: Convert to fraction form
   11,156.50/16,734.79 = 2,948.50/x
3. Step 3: Cross multiply
   11,156.50x = 16,734.79 × 2,948.50
4. Step 4: Simplify right side
   11,156.50x = 49,342,528.32
5. Step 5: Solve for x
   x = 49,342,528.32/11,156.50
6. Step 6: Final answer
   x = 4,422.76