Finding the Fourth Proportional to 2,276.07, 3,141.41 and 1,425.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.07 : 3,141.41 = 1,425.72 : x
2. Step 2: Convert to fraction form
   2,276.07/3,141.41 = 1,425.72/x
3. Step 3: Cross multiply
   2,276.07x = 3,141.41 × 1,425.72
4. Step 4: Simplify right side
   2,276.07x = 4,478,748.23
5. Step 5: Solve for x
   x = 4,478,748.23/2,276.07
6. Step 6: Final answer
   x = 1,967.76