Finding the Fourth Proportional to 5,100.17, 7,036.47 and 2,861.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.17 : 7,036.47 = 2,861.73 : x
2. Step 2: Convert to fraction form
   5,100.17/7,036.47 = 2,861.73/x
3. Step 3: Cross multiply
   5,100.17x = 7,036.47 × 2,861.73
4. Step 4: Simplify right side
   5,100.17x = 20,136,477.29
5. Step 5: Solve for x
   x = 20,136,477.29/5,100.17
6. Step 6: Final answer
   x = 3,948.20