Finding the Fourth Proportional to 8,143.94, 12,210.43 and 3,758.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,143.94 : 12,210.43 = 3,758.98 : x
2. Step 2: Convert to fraction form
   8,143.94/12,210.43 = 3,758.98/x
3. Step 3: Cross multiply
   8,143.94x = 12,210.43 × 3,758.98
4. Step 4: Simplify right side
   8,143.94x = 45,898,762.16
5. Step 5: Solve for x
   x = 45,898,762.16/8,143.94
6. Step 6: Final answer
   x = 5,635.94