Finding the Fourth Proportional to 8,460.85, 12,630.71 and 7,353.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,460.85 : 12,630.71 = 7,353.98 : x
2. Step 2: Convert to fraction form
   8,460.85/12,630.71 = 7,353.98/x
3. Step 3: Cross multiply
   8,460.85x = 12,630.71 × 7,353.98
4. Step 4: Simplify right side
   8,460.85x = 92,885,988.73
5. Step 5: Solve for x
   x = 92,885,988.73/8,460.85
6. Step 6: Final answer
   x = 10,978.33