Finding the Fourth Proportional to 8,770.18, 12,100.68 and 5,630.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.18 : 12,100.68 = 5,630.62 : x
2. Step 2: Convert to fraction form
   8,770.18/12,100.68 = 5,630.62/x
3. Step 3: Cross multiply
   8,770.18x = 12,100.68 × 5,630.62
4. Step 4: Simplify right side
   8,770.18x = 68,134,330.82
5. Step 5: Solve for x
   x = 68,134,330.82/8,770.18
6. Step 6: Final answer
   x = 7,768.86