Finding the Fourth Proportional to 8,347.98, 12,521.54 and 2,801.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,347.98 : 12,521.54 = 2,801.37 : x
2. Step 2: Convert to fraction form
   8,347.98/12,521.54 = 2,801.37/x
3. Step 3: Cross multiply
   8,347.98x = 12,521.54 × 2,801.37
4. Step 4: Simplify right side
   8,347.98x = 35,077,389.90
5. Step 5: Solve for x
   x = 35,077,389.90/8,347.98
6. Step 6: Final answer
   x = 4,201.90