Finding the Fourth Proportional to 5,152.55, 7,109.78 and 2,914.11

Step by Step Solution

1. Step 1: Write the proportion equation
   5,152.55 : 7,109.78 = 2,914.11 : x
2. Step 2: Convert to fraction form
   5,152.55/7,109.78 = 2,914.11/x
3. Step 3: Cross multiply
   5,152.55x = 7,109.78 × 2,914.11
4. Step 4: Simplify right side
   5,152.55x = 20,718,666.43
5. Step 5: Solve for x
   x = 20,718,666.43/5,152.55
6. Step 6: Final answer
   x = 4,021.05