Finding the Fourth Proportional to 12,300.76, 16,971.42 and 7,265.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.76 : 16,971.42 = 7,265.40 : x
2. Step 2: Convert to fraction form
   12,300.76/16,971.42 = 7,265.40/x
3. Step 3: Cross multiply
   12,300.76x = 16,971.42 × 7,265.40
4. Step 4: Simplify right side
   12,300.76x = 123,304,154.87
5. Step 5: Solve for x
   x = 123,304,154.87/12,300.76
6. Step 6: Final answer
   x = 10,024.11