Finding the Fourth Proportional to 10,378.80, 15,467.53 and 10,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,378.80 : 15,467.53 = 10,046.72 : x
2. Step 2: Convert to fraction form
   10,378.80/15,467.53 = 10,046.72/x
3. Step 3: Cross multiply
   10,378.80x = 15,467.53 × 10,046.72
4. Step 4: Simplify right side
   10,378.80x = 155,397,943.00
5. Step 5: Solve for x
   x = 155,397,943.00/10,378.80
6. Step 6: Final answer
   x = 14,972.63