Finding the Fourth Proportional to 6,875.56, 9,488.31 and 3,731.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.56 : 9,488.31 = 3,731.77 : x
2. Step 2: Convert to fraction form
   6,875.56/9,488.31 = 3,731.77/x
3. Step 3: Cross multiply
   6,875.56x = 9,488.31 × 3,731.77
4. Step 4: Simplify right side
   6,875.56x = 35,408,143.17
5. Step 5: Solve for x
   x = 35,408,143.17/6,875.56
6. Step 6: Final answer
   x = 5,149.86