Finding the Fourth Proportional to 13,751.31, 18,976.82 and 7,463.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,751.31 : 18,976.82 = 7,463.69 : x
2. Step 2: Convert to fraction form
   13,751.31/18,976.82 = 7,463.69/x
3. Step 3: Cross multiply
   13,751.31x = 18,976.82 × 7,463.69
4. Step 4: Simplify right side
   13,751.31x = 141,637,101.67
5. Step 5: Solve for x
   x = 141,637,101.67/13,751.31
6. Step 6: Final answer
   x = 10,299.90