Finding the Fourth Proportional to 7,139.96, 10,709.17 and 1,875.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139.96 : 10,709.17 = 1,875.49 : x
2. Step 2: Convert to fraction form
   7,139.96/10,709.17 = 1,875.49/x
3. Step 3: Cross multiply
   7,139.96x = 10,709.17 × 1,875.49
4. Step 4: Simplify right side
   7,139.96x = 20,084,949.94
5. Step 5: Solve for x
   x = 20,084,949.94/7,139.96
6. Step 6: Final answer
   x = 2,813.03