Finding the Fourth Proportional to 5,153.47, 7,111.35 and 2,914.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,153.47 : 7,111.35 = 2,914.83 : x
2. Step 2: Convert to fraction form
   5,153.47/7,111.35 = 2,914.83/x
3. Step 3: Cross multiply
   5,153.47x = 7,111.35 × 2,914.83
4. Step 4: Simplify right side
   5,153.47x = 20,728,340.76
5. Step 5: Solve for x
   x = 20,728,340.76/5,153.47
6. Step 6: Final answer
   x = 4,022.21