Finding the Fourth Proportional to 5,920.41, 8,870.82 and 5,309.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920.41 : 8,870.82 = 5,309.94 : x
2. Step 2: Convert to fraction form
   5,920.41/8,870.82 = 5,309.94/x
3. Step 3: Cross multiply
   5,920.41x = 8,870.82 × 5,309.94
4. Step 4: Simplify right side
   5,920.41x = 47,103,521.95
5. Step 5: Solve for x
   x = 47,103,521.95/5,920.41
6. Step 6: Final answer
   x = 7,956.12