Finding the Fourth Proportional to 12,798.60, 17,662.42 and 7,493.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,798.60 : 17,662.42 = 7,493.64 : x
2. Step 2: Convert to fraction form
   12,798.60/17,662.42 = 7,493.64/x
3. Step 3: Cross multiply
   12,798.60x = 17,662.42 × 7,493.64
4. Step 4: Simplify right side
   12,798.60x = 132,355,817.01
5. Step 5: Solve for x
   x = 132,355,817.01/12,798.60
6. Step 6: Final answer
   x = 10,341.43