Finding the Fourth Proportional to 8,273.94, 12,402.46 and 4,762.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,273.94 : 12,402.46 = 4,762.86 : x
2. Step 2: Convert to fraction form
   8,273.94/12,402.46 = 4,762.86/x
3. Step 3: Cross multiply
   8,273.94x = 12,402.46 × 4,762.86
4. Step 4: Simplify right side
   8,273.94x = 59,071,180.64
5. Step 5: Solve for x
   x = 59,071,180.64/8,273.94
6. Step 6: Final answer
   x = 7,139.43