Finding the Fourth Proportional to 9,139.22, 13,714.47 and 3,591.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139.22 : 13,714.47 = 3,591.59 : x
2. Step 2: Convert to fraction form
   9,139.22/13,714.47 = 3,591.59/x
3. Step 3: Cross multiply
   9,139.22x = 13,714.47 × 3,591.59
4. Step 4: Simplify right side
   9,139.22x = 49,256,753.31
5. Step 5: Solve for x
   x = 49,256,753.31/9,139.22
6. Step 6: Final answer
   x = 5,389.60