Finding the Fourth Proportional to 12,658.58, 17,467.83 and 7,353.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.58 : 17,467.83 = 7,353.74 : x
2. Step 2: Convert to fraction form
   12,658.58/17,467.83 = 7,353.74/x
3. Step 3: Cross multiply
   12,658.58x = 17,467.83 × 7,353.74
4. Step 4: Simplify right side
   12,658.58x = 128,453,804.91
5. Step 5: Solve for x
   x = 128,453,804.91/12,658.58
6. Step 6: Final answer
   x = 10,147.57