Finding the Fourth Proportional to 10,176.86, 15,265.48 and 2,782.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,176.86 : 15,265.48 = 2,782.10 : x
2. Step 2: Convert to fraction form
   10,176.86/15,265.48 = 2,782.10/x
3. Step 3: Cross multiply
   10,176.86x = 15,265.48 × 2,782.10
4. Step 4: Simplify right side
   10,176.86x = 42,470,091.91
5. Step 5: Solve for x
   x = 42,470,091.91/10,176.86
6. Step 6: Final answer
   x = 4,173.20