Finding the Fourth Proportional to 4,820.55, 7,225.89 and 2,736.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,820.55 : 7,225.89 = 2,736.15 : x
2. Step 2: Convert to fraction form
   4,820.55/7,225.89 = 2,736.15/x
3. Step 3: Cross multiply
   4,820.55x = 7,225.89 × 2,736.15
4. Step 4: Simplify right side
   4,820.55x = 19,771,118.92
5. Step 5: Solve for x
   x = 19,771,118.92/4,820.55
6. Step 6: Final answer
   x = 4,101.42