Finding the Fourth Proportional to 12,601.32, 17,389.54 and 7,012.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.32 : 17,389.54 = 7,012.84 : x
2. Step 2: Convert to fraction form
   12,601.32/17,389.54 = 7,012.84/x
3. Step 3: Cross multiply
   12,601.32x = 17,389.54 × 7,012.84
4. Step 4: Simplify right side
   12,601.32x = 121,950,061.69
5. Step 5: Solve for x
   x = 121,950,061.69/12,601.32
6. Step 6: Final answer
   x = 9,677.56