Finding the Fourth Proportional to 8,770.31, 12,103.86 and 4,792.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.31 : 12,103.86 = 4,792.03 : x
2. Step 2: Convert to fraction form
   8,770.31/12,103.86 = 4,792.03/x
3. Step 3: Cross multiply
   8,770.31x = 12,103.86 × 4,792.03
4. Step 4: Simplify right side
   8,770.31x = 58,002,047.95
5. Step 5: Solve for x
   x = 58,002,047.95/8,770.31
6. Step 6: Final answer
   x = 6,613.46