Finding the Fourth Proportional to 12,654.76, 17,463.71 and 7,279.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654.76 : 17,463.71 = 7,279.87 : x
2. Step 2: Convert to fraction form
   12,654.76/17,463.71 = 7,279.87/x
3. Step 3: Cross multiply
   12,654.76x = 17,463.71 × 7,279.87
4. Step 4: Simplify right side
   12,654.76x = 127,133,545.80
5. Step 5: Solve for x
   x = 127,133,545.80/12,654.76
6. Step 6: Final answer
   x = 10,046.30