Finding the Fourth Proportional to 5,199.57, 7,802.52 and 2,736.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,199.57 : 7,802.52 = 2,736.15 : x
2. Step 2: Convert to fraction form
   5,199.57/7,802.52 = 2,736.15/x
3. Step 3: Cross multiply
   5,199.57x = 7,802.52 × 2,736.15
4. Step 4: Simplify right side
   5,199.57x = 21,348,865.10
5. Step 5: Solve for x
   x = 21,348,865.10/5,199.57
6. Step 6: Final answer
   x = 4,105.89