Finding the Fourth Proportional to 9,311.58, 13,970.48 and 3,761.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.58 : 13,970.48 = 3,761.91 : x
2. Step 2: Convert to fraction form
   9,311.58/13,970.48 = 3,761.91/x
3. Step 3: Cross multiply
   9,311.58x = 13,970.48 × 3,761.91
4. Step 4: Simplify right side
   9,311.58x = 52,555,669.61
5. Step 5: Solve for x
   x = 52,555,669.61/9,311.58
6. Step 6: Final answer
   x = 5,644.12