Finding the Fourth Proportional to 12,493.10, 17,237.64 and 7,456.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,493.10 : 17,237.64 = 7,456.35 : x
2. Step 2: Convert to fraction form
   12,493.10/17,237.64 = 7,456.35/x
3. Step 3: Cross multiply
   12,493.10x = 17,237.64 × 7,456.35
4. Step 4: Simplify right side
   12,493.10x = 128,529,969.62
5. Step 5: Solve for x
   x = 128,529,969.62/12,493.10
6. Step 6: Final answer
   x = 10,288.07