Finding the Fourth Proportional to 8,747.31, 12,073.10 and 4,970.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.31 : 12,073.10 = 4,970.73 : x
2. Step 2: Convert to fraction form
   8,747.31/12,073.10 = 4,970.73/x
3. Step 3: Cross multiply
   8,747.31x = 12,073.10 × 4,970.73
4. Step 4: Simplify right side
   8,747.31x = 60,012,095.51
5. Step 5: Solve for x
   x = 60,012,095.51/8,747.31
6. Step 6: Final answer
   x = 6,860.63