Finding the Fourth Proportional to 12,637.54, 17,440.41 and 7,047.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,637.54 : 17,440.41 = 7,047.46 : x
2. Step 2: Convert to fraction form
   12,637.54/17,440.41 = 7,047.46/x
3. Step 3: Cross multiply
   12,637.54x = 17,440.41 × 7,047.46
4. Step 4: Simplify right side
   12,637.54x = 122,910,591.86
5. Step 5: Solve for x
   x = 122,910,591.86/12,637.54
6. Step 6: Final answer
   x = 9,725.83