Finding the Fourth Proportional to 10,065.76, 14,996.60 and 9,570.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.76 : 14,996.60 = 9,570.04 : x
2. Step 2: Convert to fraction form
   10,065.76/14,996.60 = 9,570.04/x
3. Step 3: Cross multiply
   10,065.76x = 14,996.60 × 9,570.04
4. Step 4: Simplify right side
   10,065.76x = 143,518,061.86
5. Step 5: Solve for x
   x = 143,518,061.86/10,065.76
6. Step 6: Final answer
   x = 14,258.05