Finding the Fourth Proportional to 6,875.67, 9,488.45 and 3,731.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.67 : 9,488.45 = 3,731.86 : x
2. Step 2: Convert to fraction form
   6,875.67/9,488.45 = 3,731.86/x
3. Step 3: Cross multiply
   6,875.67x = 9,488.45 × 3,731.86
4. Step 4: Simplify right side
   6,875.67x = 35,409,567.02
5. Step 5: Solve for x
   x = 35,409,567.02/6,875.67
6. Step 6: Final answer
   x = 5,149.98