Finding the Fourth Proportional to 7,798.86, 10,762.83 and 4,262.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,798.86 : 10,762.83 = 4,262.09 : x
2. Step 2: Convert to fraction form
   7,798.86/10,762.83 = 4,262.09/x
3. Step 3: Cross multiply
   7,798.86x = 10,762.83 × 4,262.09
4. Step 4: Simplify right side
   7,798.86x = 45,872,096.30
5. Step 5: Solve for x
   x = 45,872,096.30/7,798.86
6. Step 6: Final answer
   x = 5,881.90