Finding the Fourth Proportional to 8,503.31, 12,755.69 and 2,347.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503.31 : 12,755.69 = 2,347.31 : x
2. Step 2: Convert to fraction form
   8,503.31/12,755.69 = 2,347.31/x
3. Step 3: Cross multiply
   8,503.31x = 12,755.69 × 2,347.31
4. Step 4: Simplify right side
   8,503.31x = 29,941,587.65
5. Step 5: Solve for x
   x = 29,941,587.65/8,503.31
6. Step 6: Final answer
   x = 3,521.17