Finding the Fourth Proportional to 6,837.60, 10,250.56 and 3,138.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,837.60 : 10,250.56 = 3,138.56 : x
2. Step 2: Convert to fraction form
   6,837.60/10,250.56 = 3,138.56/x
3. Step 3: Cross multiply
   6,837.60x = 10,250.56 × 3,138.56
4. Step 4: Simplify right side
   6,837.60x = 32,171,997.59
5. Step 5: Solve for x
   x = 32,171,997.59/6,837.60
6. Step 6: Final answer
   x = 4,705.16