Finding the Fourth Proportional to 9,310.10, 12,846.60 and 5,479.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.10 : 12,846.60 = 5,479.46 : x
2. Step 2: Convert to fraction form
   9,310.10/12,846.60 = 5,479.46/x
3. Step 3: Cross multiply
   9,310.10x = 12,846.60 × 5,479.46
4. Step 4: Simplify right side
   9,310.10x = 70,392,385.02
5. Step 5: Solve for x
   x = 70,392,385.02/9,310.10
6. Step 6: Final answer
   x = 7,560.86