Finding the Fourth Proportional to 2,142.37, 2,956.85 and 1,246.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.37 : 2,956.85 = 1,246.22 : x
2. Step 2: Convert to fraction form
   2,142.37/2,956.85 = 1,246.22/x
3. Step 3: Cross multiply
   2,142.37x = 2,956.85 × 1,246.22
4. Step 4: Simplify right side
   2,142.37x = 3,684,885.61
5. Step 5: Solve for x
   x = 3,684,885.61/2,142.37
6. Step 6: Final answer
   x = 1,720.00