Finding the Fourth Proportional to 6,875.70, 10,320.30 and 3,591.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.70 : 10,320.30 = 3,591.42 : x
2. Step 2: Convert to fraction form
   6,875.70/10,320.30 = 3,591.42/x
3. Step 3: Cross multiply
   6,875.70x = 10,320.30 × 3,591.42
4. Step 4: Simplify right side
   6,875.70x = 37,064,531.83
5. Step 5: Solve for x
   x = 37,064,531.83/6,875.70
6. Step 6: Final answer
   x = 5,390.66