Finding the Fourth Proportional to 1,627.83, 2,438.51 and 1,422.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.83 : 2,438.51 = 1,422.63 : x
2. Step 2: Convert to fraction form
   1,627.83/2,438.51 = 1,422.63/x
3. Step 3: Cross multiply
   1,627.83x = 2,438.51 × 1,422.63
4. Step 4: Simplify right side
   1,627.83x = 3,469,090.37
5. Step 5: Solve for x
   x = 3,469,090.37/1,627.83
6. Step 6: Final answer
   x = 2,131.11