Finding the Fourth Proportional to 9,200.42, 13,800.72 and 2,274.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.42 : 13,800.72 = 2,274.92 : x
2. Step 2: Convert to fraction form
   9,200.42/13,800.72 = 2,274.92/x
3. Step 3: Cross multiply
   9,200.42x = 13,800.72 × 2,274.92
4. Step 4: Simplify right side
   9,200.42x = 31,395,533.94
5. Step 5: Solve for x
   x = 31,395,533.94/9,200.42
6. Step 6: Final answer
   x = 3,412.40