Finding the Fourth Proportional to 10,300.19, 15,425.51 and 9,783.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.19 : 15,425.51 = 9,783.41 : x
2. Step 2: Convert to fraction form
   10,300.19/15,425.51 = 9,783.41/x
3. Step 3: Cross multiply
   10,300.19x = 15,425.51 × 9,783.41
4. Step 4: Simplify right side
   10,300.19x = 150,913,962.74
5. Step 5: Solve for x
   x = 150,913,962.74/10,300.19
6. Step 6: Final answer
   x = 14,651.58