Finding the Fourth Proportional to 12,759.38, 19,139.82 and 3,875

Step by Step Solution

1. Step 1: Write the proportion equation
   12,759.38 : 19,139.82 = 3,875 : x
2. Step 2: Convert to fraction form
   12,759.38/19,139.82 = 3,875/x
3. Step 3: Cross multiply
   12,759.38x = 19,139.82 × 3,875
4. Step 4: Simplify right side
   12,759.38x = 74,166,783.13
5. Step 5: Solve for x
   x = 74,166,783.13/12,759.38
6. Step 6: Final answer
   x = 5,812.73