Finding the Fourth Proportional to 9,648.76, 13,311.30 and 5,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.76 : 13,311.30 = 5,870.56 : x
2. Step 2: Convert to fraction form
   9,648.76/13,311.30 = 5,870.56/x
3. Step 3: Cross multiply
   9,648.76x = 13,311.30 × 5,870.56
4. Step 4: Simplify right side
   9,648.76x = 78,144,785.33
5. Step 5: Solve for x
   x = 78,144,785.33/9,648.76
6. Step 6: Final answer
   x = 8,098.95