Finding the Fourth Proportional to 7,929.78, 10,895.75 and 7,417.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,929.78 : 10,895.75 = 7,417.86 : x
2. Step 2: Convert to fraction form
   7,929.78/10,895.75 = 7,417.86/x
3. Step 3: Cross multiply
   7,929.78x = 10,895.75 × 7,417.86
4. Step 4: Simplify right side
   7,929.78x = 80,823,111.01
5. Step 5: Solve for x
   x = 80,823,111.01/7,929.78
6. Step 6: Final answer
   x = 10,192.35